Scott Sistek 
Seattle skyline on June 16, 2026. (Photo: Space Needle Web Camera)
Tracking the number of minutes Seattle has experienced this summer at or above 80 degrees, per the weather station atop the University of Washington Atmospheric Sciences Building.
(Daily tracker on X @SummerMintues and on BlueSky)
| Year | Minutes of 80°+ Weather | Sea-Tac Stats (Days / Max) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April | May | June | July | August | September | October | Total | 80+ | 85+ | 90+ | Max | |
| 2000 | 0 | 0 | 1613 | 662 | 584 | 229 | 0 | 3088 | 18 | 3 | 0 | 88 |
| 2001 | 0 | 365 | 0 | 138 | 1117 | 0 | 0 | 1620 | 10 | 4 | 0 | 88 |
| 2002 | 0 | 41 | 1709 | 1569 | 1623 | 0 | 0 | 4942 | 24 | 9 | 2 | 94 |
| 2003 | 0 | 0 | 2320 | 3663 | 516 | 1423 | 0 | 7922 | 33 | 16 | 4 | 93 |
| 2004 | 0 | 0 | 2229 | 3703 | 2375 | 0 | 0 | 8307 | 33 | 13 | 3 | 96 |
| 2005 | 0 | 1156 | 0 | 1843 | 2424 | 0 | 0 | 5423 | 23 | 12 | 0 | 89 |
| 2006 | 0 | 293 | 2601 | 5436 | 2975 | 1927 | 0 | 13232 | 37 | 18 | 5 | 97 |
| 2007 | 0 | 973 | 659 | 2528 | 1508 | 745 | 0 | 6413 | 26 | 9 | 1 | 98 |
| 2008 | 0 | 780 | 1712 | 1861 | 3688 | 452 | 0 | 8493 | 27 | 11 | 3 | 92 |
| 2009 | 0 | 40 | 1657 | 6429 | 2295 | 1102 | 0 | 11523 | 36 | 21 | 7 | 103 |
| 2010 | 0 | 0 | 0 | 2802 | 3468 | 47 | 0 | 6317 | 20 | 11 | 6 | 96 |
| 2011 | 0 | 0 | 0 | 351 | 1352 | 1703 | 0 | 3406 | 22 | 5 | 0 | 87 |
| 2012 | 0 | 0 | 0 | 58 | 3592 | 738 | 0 | 4388 | 21 | 8 | 5 | 94 |
| 2013 | 0 | 449 | 1270 | 1932 | 1299 | 493 | 0 | 5443 | 40 | 15 | 2 | 93 |
| 2014 | 191 | 627 | 0 | 5337 | 3824 | 1697 | 0 | 11676 | 45 | 22 | 5 | 96 |
| 2015 | 0 | 6 | 3686 | 7004 | 3485 | 189 | 0 | 14370 | 51 | 26 | 12 | 95 |
| 2016 | 777 | 706 | 1663 | 1443 | 4929 | 0 | 0 | 9518 | 38 | 18 | 7 | 95 |
| 2017 | 0 | 858 | 1621 | 1756 | 5447 | 2424 | 0 | 12106 | 46 | 27 | 8 | 96 |
| 2018 | 97 | 601 | 1494 | 6637 | 3941 | 241 | 0 | 13011 | 45 | 32 | 11 | 94 |
| 2019 | 0 | 583 | 897 | 1198 | 2321 | 35 | 0 | 5037 | 29 | 12 | 2 | 95 |
| 2020 | 0 | 954 | 63 | 2415 | 1550 | 1519 | 0 | 6501 | 45 | 13 | 4 | 98 |
| 2021 | 0 | 60 | 6031 | 2869 | 3747 | 55 | 0 | 12762 | 42 | 18 | 8 | 108 |
| 2022 | 0 | 0 | 1829 | 4912 | 5531 | 526 | 300* | 13098 | 42 | 23 | 13 | 95 |
| 2023 | 0 | 2070 | 1391 | 4051 | 5639 | 789 | 162 | 14102 | 45 | 18 | 6 | 95 |
| 2024 | 0 | 676 | 694 | 7346 | 2990 | 1287 | 0 | 13093 | 35 | 16 | 5 | 98 |
| 2025 | 0 | 176 | 1891 | 4445 | 4871 | 781 | 0 | 12093 | 34 | 21 | 8 | 94 |
| 2026 | 0 | 393 | 3905 | 2880 | 3080 | 0 | — | 10258 | 33 | 14 | 4 | 95 |
| Average | 39 | 437 | 1516 | 3158 | 2969 | 682 | 6 | 8820 | 33 | 15 | 5 | — |