Introduction
On August 21, 2026, mortgage rates show a steady rhythm with pockets of opportunity for savvy homebuyers and refinancers. If you’re eyeing a refinance or a new loan, the Connecticut State Employees Credit Union’s 15-year fixed rate at 5.40% stands out as today’s lowest from trusted credit unions. Zillow’s jumbo loan rates remain steady near 6.19% for 15-year fixed, while the Federal Reserve data reveals subtle shifts in inflation expectations that could influence future borrowing costs. Here’s what you need to know before locking in a rate, understanding these small rate differences can save hundreds each month and thousands over your loan term.
At a glance
Refinance - Conventional 15 yrs Fixed
| Lender | 2026-08-21 Current | 2026-08-14 7 Days Ago | 2026-08-06 15 Days Ago | 2026-07-22 30 Days Ago | 2026-07-07 45 Days Ago | 2026-06-22 60 Days Ago | 2026-05-23 90 Days Ago | 2026-02-22 180 Days Ago |
|---|---|---|---|---|---|---|---|---|
| KNOXVILLE TVA EMPLOYEES CREDIT UNIONLOWEST | 5.25% | 5.25% | 5.25% | 5.25% | 5.25% | 5.25% | 5.25% | 5.25% |
| CONNECTICUT STATE EMPLOYEES CREDIT UNION | 5.40%▼ 47 bps | 5.88% | 5.88% | 6.13% | 5.40% | 6.00% | 5.40% | 5.40% |
| FIRST COMMUNITY CREDIT UNION | 5.50% | 5.50% | 5.50% | 5.38% | 5.38% | 5.38% | 5.50% | 4.88% |
| SPACE COAST CREDIT UNION | 5.63% | 5.63% | 5.63% | 5.63% | 5.50% | 5.50% | 5.75% | 5.38% |
| 1ST ADVANTAGE FEDERAL CREDIT UNION | 5.75% | 5.75% | 5.75% | 5.63% | 5.63% | 5.63% | 5.25% | N/A |
| LANGLEY FEDERAL CREDIT UNION | 5.75% | 5.75% | 5.75% | 5.75% | 5.75% | 5.75% | 5.75% | 5.25% |
| TROPICAL FINANCIAL CREDIT UNION | 5.75% | 5.75% | 5.75% | 5.63% | 5.50% | 5.50% | 5.38% | 4.88% |
| AFFINITY PLUS FEDERAL CREDIT UNION | 6.13% | 6.13% | 6.13% | 6.00% | 5.88% | 5.88% | 5.88% | 5.38% |
| MOUNTAIN AMERICA FEDERAL CREDIT UNION | 6.74% | 6.74% | 6.74% | 6.74% | 6.74% | 6.74% | 6.74% | 6.74% |
Sorted by current rate, lowest first. Scroll sideways for rate history. ▼ means the current rate is lower than last week, ▲ higher.
Refinance - Conventional 30 yrs Fixed
| Lender | 2026-08-21 Current | 2026-08-14 7 Days Ago | 2026-08-06 15 Days Ago | 2026-07-22 30 Days Ago | 2026-07-07 45 Days Ago | 2026-06-22 60 Days Ago | 2026-05-23 90 Days Ago | 2026-02-22 180 Days Ago |
|---|---|---|---|---|---|---|---|---|
| KNOXVILLE TVA EMPLOYEES CREDIT UNIONLOWEST | 5.50% | 5.50% | 5.50% | 5.50% | 5.50% | 5.50% | 5.50% | 5.88% |
| LANGLEY FEDERAL CREDIT UNION | 5.63% | 5.63% | 5.63% | 5.63% | 5.88% | 5.63% | 6.13% | 4.99% |
| 1ST ADVANTAGE FEDERAL CREDIT UNION | 5.99% | 5.99% | 5.99% | 5.88% | 5.88% | 5.88% | 5.75% | N/A |
| FIRST COMMUNITY CREDIT UNION | 6.38% | 6.38% | 6.38% | 6.13% | 6.13% | 6.25% | 6.25% | 5.63% |
| SPACE COAST CREDIT UNION | 6.38% | 6.38% | 6.38% | 6.38% | 6.25% | 6.25% | 6.50% | 6.13% |
| MOUNTAIN AMERICA FEDERAL CREDIT UNION | 6.49%▲ 12 bps | 6.38% | 6.49% | 6.63% | 6.25% | 6.25% | 6.25% | 5.88% |
| TROPICAL FINANCIAL CREDIT UNION | 6.63%▼ 12 bps | 6.75% | 6.75% | 6.50% | 6.38% | 6.38% | 6.25% | 5.75% |
| AFFINITY PLUS FEDERAL CREDIT UNION | 6.75% | 6.75% | 6.75% | 6.50% | 6.38% | 6.38% | 6.50% | 5.88% |
| CONNECTICUT STATE EMPLOYEES CREDIT UNION | N/A | 6.50% | 6.50% | 6.63% | N/A | 6.38% | N/A | N/A |
Sorted by current rate, lowest first. Scroll sideways for rate history. ▼ means the current rate is lower than last week, ▲ higher.
1ST ADVANTAGE FEDERAL CREDIT UNION
As of August 21, 2026, refinance rates for both 15-year fixed and 30-year fixed loans remain steady compared to last week, holding at 5.75% and 5.99%, respectively. However, these rates reflect an increase of approximately 12 to 13 basis points over the past 30 days, indicating a gradual rise in the cost of borrowing. Borrowers considering refinancing should note that while short-term yields have stabilized, the upward trend over the month may impact long-term savings potential.
For members prioritizing payment stability, the 15-year fixed refinance at 5.75% represents the lowest rate option currently available and may help reduce overall interest expense despite slightly higher monthly payments. Those seeking longer terms face a modestly higher rate with the 30-year fixed at 5.99%, which could affect total interest paid over time.
Evaluating your mortgage strategy with these data points can clarify whether refinancing aligns with your financial goals; consider fixed-rate options if you value predictability or assess cost-benefit carefully when rates rise steadily. For details, visit https://www.1stadvantage.org/personal/home-loans-equity/refinance-home-loan/#rates.
AFFINITY PLUS FEDERAL CREDIT UNION
As of August 21, 2026, 15-Year Fixed-Rate Conventional Refinance loans maintain the lowest rate at 6.125%, unchanged from one week ago but up 12.5 basis points compared to 30 days prior. Meanwhile, the 30-Year Fixed-Rate Conventional Refinance rate holds steady at 6.75%, reflecting no change over the past week but an increase of 25 basis points from a month ago. These yield spreads indicate a modest upward trend in borrowing costs for conventional refinancing products, impacting those aiming to reduce long-term interest expenses or shorten loan terms. Members considering refinancing should evaluate fixed-rate options to lock in stability amid gradual rate increases and assess whether potential savings justify current rates. For details, visit https://www.affinityplus.org/rates/mortgage-rates.
CONNECTICUT STATE EMPLOYEES CREDIT UNION
As of August 21, 2026, the 15-Year Fixed Refinance mortgage rate stands at a competitive 5.4%, marking a significant decline of 47.5 basis points compared to one week ago and a reduction of 72.5 basis points from 30 days prior. This downward movement in rates lowers the overall cost of borrowing for members seeking to refinance, potentially enhancing monthly payment affordability and total interest savings over the loan term. Borrowers prioritizing predictable payments may find this an opportune time to evaluate refinancing strategies, especially if their current rates exceed today’s levels by a meaningful margin. For those focused on long-term financial planning, locking in this lowest observed rate could stabilize housing expenses against future market volatility. Consider your refinancing options carefully when potential savings surpass associated closing costs. For details, visit https://www.csecreditunion.com/Rates/Loan-Rates#firstmortgage.
FIRST COMMUNITY CREDIT UNION
As of August 21, 2026, 15 Year Fixed Refinance rates remain steady at 5.5%, unchanged over the past week but up by 12.5 basis points compared to 30 days ago. This represents a modest increase in the cost of borrowing for shorter-term fixed loans. Meanwhile, the 30 Year Fixed Refinance rate holds at 6.375%, also stable week-over-week, yet elevated by 25 basis points from one month prior, indicating wider yield spreads on longer-term debt.
For members refinancing, these rate levels suggest evaluating the trade-off between monthly payment stability and overall interest expense. Those prioritizing predictability may favor the 15 Year Fixed option due to its lower rate; conversely, longer terms may suit cash flow needs despite higher rates. Given recent upward trends, members should carefully assess refinancing benefits against closing costs and remaining loan duration.
Consider your mortgage strategy in light of current market conditions to optimize long-term financial outcomes. For details, visit https://fccu.org/loans/home-loans/mortgage-refinances.
KNOXVILLE TVA EMPLOYEES CREDIT UNION
As of August 21, 2026, mortgage rates remain stable for Knoxville TVA Employees members considering refinancing options. The 15-Year Fixed-Rate Mortgage holds steady at 5.25% with 3.0 points, showing no change in yield over the past week or month. Similarly, the 30-Year Fixed-Rate Mortgage maintains a consistent rate of 5.50% with 1.0 point, unchanged from last week and 30 days prior.
For borrowers prioritizing cost predictability, the 15-year fixed offers the lowest rate available today, potentially reducing total interest costs over the loan term. Those seeking longer-term financing may evaluate the 30-year fixed for manageable monthly payments despite a slightly higher rate.
Members should analyze their refinancing potential based on these stable yields; if projected savings exceed associated costs, initiating refinancing could optimize borrowing expenses.
For details, visit https://www.tvacreditunion.com/borrow/loans/home-refinance.html.
LANGLEY FEDERAL CREDIT UNION
As of August 21, 2026, LANGLEY credit union’s mortgage rates for 30-year fixed refinance loans remain steady at 5.625%, matching last week’s yield with no change in basis points. Similarly, the 15-year fixed refinance rate holds firm at 5.75%, unchanged over the past seven and thirty days. These stable rates imply a consistent cost of borrowing for members considering refinancing options.
For homeowners evaluating their mortgage strategies, the absence of rate fluctuations suggests limited urgency to refinance solely based on current yields. Fixed-rate refinance products continue to offer predictable payment structures, beneficial for members prioritizing financial stability amid market steadiness.
Members should assess whether their potential savings from refinancing exceed associated fees and closing costs, especially when rates are static. Considering fixed-rate terms may support long-term budget planning without exposure to interest rate volatility.
For details, visit https://www.langleyfcu.org/mortgage-refinance.
MOUNTAIN AMERICA FEDERAL CREDIT UNION
As of August 21, 2026, the 15-year fixed refinance rate remains steady at 6.74%, showing no change over the past week or month. This stability benefits borrowers seeking predictable payments and shorter loan terms without increased cost of borrowing. Conversely, the 30-year fixed mortgage refinance rate has risen by 11.5 basis points week-over-week to 6.49%, though it remains down 13.5 basis points compared to 30 days ago. This yield spread movement suggests slight tightening in long-term rates, impacting those prioritizing lower monthly payments but extending debt duration.
Members evaluating refinancing should weigh these trends carefully; consider fixed-rate options if payment certainty is a priority, or assess if current spreads justify locking in longer terms now. Data-driven review of your mortgage strategy can help optimize borrowing costs.
For details, visit https://www.macu.com/loans/home-loans/refinance.
SPACE COAST CREDIT UNION
On August 21, 2026, SPACE COAST reports stable mortgage rates for refinance products. The 15-year fixed refinance rate remains at 5.625%, holding steady over the past 7 and 30 days. Similarly, the 30-year fixed refinance rate is unchanged at 6.375% for the same periods. These consistent yields imply no recent shifts in borrowing costs, maintaining current cost structures for members considering refinancing. With no basis point changes, borrowers can evaluate the benefits of fixed-rate options to lock in predictable payments amid stable market conditions. Members aiming to reduce long-term interest expenses should assess their refinancing strategies carefully, particularly given these steady rates.
For details, visit https://www.sccu.com/personal/mortgage-purchase-products/mortgage-refinance.
TROPICAL FINANCIAL CREDIT UNION
As of August 21, 2026, 15-year fixed refinance loans hold the lowest rate at 5.75% with 0.875 points, unchanged from last week but up 12.5 basis points compared to 30 days ago. Meanwhile, 30-year fixed refinance loans decreased by 12.5 basis points over the past week to 6.625% with 1.125 points, though they remain 12.5 basis points higher than a month ago. These yield movements indicate a slightly higher cost of borrowing for shorter-term refinances over the past month, while longer terms show recent easing in rates. Members considering refinancing should evaluate fixed-rate options if they prioritize payment stability or consider timing to optimize long-term interest savings based on these subtle shifts in mortgage yields. For details, visit https://www.tropicalfcu.com/compare-florida-mortgage-home-refinance-rates.
Zillow National Average
As of August 21, 2026, mortgage rates are exhibiting a mixed trend. The 15-Year Fixed Rate Jumbo increased to 6.188%, up by 0.06% from yesterday, while the 30-Year Fixed Rate Jumbo remains steady at 6.400% with no change in the same period. Over the past week, the 15-Year Fixed Rate Jumbo decreased by 0.05%, indicating slight volatility. In contrast, the 30-Year Fixed Rate Jumbo saw a decline of 0.26% over the last month, reflecting a more stable borrowing environment for longer-term loans. Borrowers should note these fluctuations as they may impact overall borrowing costs; monitoring these changes is advisable for optimal loan decisions.
Federal Reserve Economic Trends
As of today, the Breakeven Inflation Rate 10Yr and 5Yr both stand at 2.340, signaling stable inflation expectations. However, recent fluctuations in mortgage rates indicate a tightening borrowing environment; for instance, the Mortgage 30Yr Average Rates are at 6.650, reflecting a slight decrease of 2 bps over the past week. The most significant changes were seen in the Mortgage 30Yr Usda Average Rates, which rose by 14 bps over the last month. These trends suggest that while inflation expectations remain steady, higher mortgage rates could strain borrowers' affordability. Monitoring these indicators is crucial for anticipating future lending conditions and making informed financial decisions.
LendMesh
The smartest mortgage shoppers know that comparing lenders is more than just chasing the lowest rate—it’s about finding the right fit for your needs. At LendMesh, we empower you to make informed decisions by showing real-time mortgage rates and lending programs from credit unions and banks you can trust. Whether you’re a first-time homebuyer, looking to refinance, or simply exploring your options, you’ll find financial guidance and transparency at every turn. Our platform was designed for people like you—those who value honest advice and clear choices. Don’t settle for the first offer you see; visit our Mortgage Loans page at https://www.lendmesh.com/loans/mortgage_loans . and discover the power of comparing your options. Your best mortgage could be one click away.
Customers Also Interested In
Conclusion
Looking ahead, even small moves in mortgage rates deserve attention because they ripple through your monthly payments and total interest paid. The recent drop of nearly half a point on Connecticut State Employees’ 15-year fixed refinance shows there are still good opportunities if you watch carefully. With inflation indicators nudging slightly higher, it pays to weigh locking in a rate now versus waiting. For homeowners considering refinancing or buyers ready to jump in, focusing on low-rate options like fixed terms under 6% can mean real savings, especially over 15 years. Take time to run the numbers with your lender; even modest differences can ease your financial journey and build equity faster.