Seattle Tacoma, WA
Washington · Records since 1945–2026
Records for August 11
🔥 Record High
August 11, 2014
+18° from 78° normal❄ Record Low
August 11, 1954
-12° from 58° normalAll-Time Records — Seattle Tacoma
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 96°F | August 11, 2014 |
| 2 | 95°F | August 11, 1977 |
| 3 | 94°F | August 11, 1990 |
| 4 | 94°F | August 11, 1981 |
| 5 | 93°F | August 11, 1961 |
| 6 | 91°F | August 11, 2021 |
| 7 | 91°F | August 11, 1971 |
| 8 | 88°F | August 11, 1997 |
| 9 | 88°F | August 11, 1992 |
| 10 | 87°F | August 11, 2025 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 46°F | August 11, 1954 |
| 2 | 48°F | August 11, 1956 |
| 3 | 48°F | August 11, 1950 |
| 4 | 50°F | August 11, 1966 |
| 5 | 50°F | August 11, 1959 |
Heat Wave Summary — Seattle Tacoma
threshold: 85°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date105 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1945–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Seattle Tacoma
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 12, 1967 – Aug 20, 1967 | 9 | 98°F (Aug 16) | 89°F | 59°F |
| 2 | Aug 5, 1977 – Aug 13, 1977 | 9 | 96°F (Aug 12) | 90°F | 59°F |
| 3 | Jul 22, 2018 – Jul 30, 2018 | 9 | 94°F (Jul 29) | 90°F | 60°F |
| 4 | Aug 6, 1981 – Aug 12, 1981 | 7 | 99°F (Aug 9) | 92°F | 64°F |
| 5 | Jul 25, 2022 – Jul 31, 2022 | 7 | 95°F (Jul 29) | 93°F | 63°F |
| 6 | Jun 30, 2015 – Jul 6, 2015 | 7 | 93°F (Jul 2) | 90°F | 62°F |
| 7 | Jul 25, 2009 – Jul 30, 2009 | 6 | 103°F (Jul 29) | 94°F | 65°F |
| 8 | Jul 15, 1979 – Jul 20, 1979 | 6 | 98°F (Jul 16) | 91°F | 59°F |
| 9 | Jul 5, 2024 – Jul 10, 2024 | 6 | 98°F (Jul 9) | 92°F | 62°F |
| 10 | Jul 23, 1958 – Jul 28, 1958 | 6 | 97°F (Jul 28) | 90°F | 59°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")
Month in Review — July 2026
Average temperature · July 2026
54th-warmest month on record
30th-warmest July of 82 on record
+0.4° vs. 66.5° average (1991–2020)Longest 90°F Streak in July
2 consecutive days with highs of at least 90°F (Jul 21–22, 2026, peaking at 95°F)
The longest July streak since 2024 (2 years). The July record is 6 days, set in 2022.
Average July Temperature by Year
1945–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2015 | 71.2°F |
| 2 | 2018 | 70.7°F |
| 3 | 2024 | 69.8°F |
| 4 | 2009 | 69.5°F |
| 5 | 2014 | 69.2°F |
| 6 | 2022 | 68.8°F |
| 7 | 1958 | 68.8°F |
| 8 | 1985 | 68.6°F |
| 9 | 2023 | 68.5°F |
| 10 | 2004 | 68.1°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2015 | 71.2°F |
| 2 | August 1967 | 71.1°F |
| 3 | July 2018 | 70.7°F |
| 4 | August 2017 | 70.3°F |
| 5 | August 2022 | 70.0°F |
| 6 | August 2023 | 69.9°F |
| 7 | July 2024 | 69.8°F |
| 8 | July 2009 | 69.5°F |
| 9 | August 2013 | 69.4°F |
| 10 | July 2014 | 69.2°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Seattle Tacoma, WA | 66.9°F | 30th of 82 |
| Seattle City, WA | 67.6°F | 26th of 131 |
| Olympia, WA | 64.1°F | 33rd of 79 |
| Yakima, WA | 73.8°F | 21st of 80 |
| Quillayute, WA | 58.6°F | 40th of 60 |