Seattle, Washington, United States weather records
Record high and low temperatures for Seattle, Washington, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 107°F on 2021-06-28; its coldest fell to 3°F on 1989-02-03.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 64°F2005-01-23
17°F2024-01-13
|
54°F2005-01-19
9°F1996-01-30
|
| February | 65°F1992-02-28
12°F1989-02-02
|
50°F1986-02-24
3°F1989-02-03
|
| March | 73°F1994-03-28
34°F1989-03-02
|
52°F2007-03-11
21°F1989-03-03
|
| April | 87°F2016-04-18
42°F2022-04-13
|
57°F2016-04-19
29°F2008-04-20
|
| May | 90°F2005-05-27
45°F2002-05-06
|
60°F2018-05-14
31°F2002-05-07
|
| June | 107°F2021-06-28
53°F1999-06-06
|
73°F2021-06-28
40°F1991-06-03
|
| July | 100°F2009-07-29
50°F2025-07-04
|
72°F1998-07-28
43°F2025-07-27
|
| August | 95°F1981-08-09
52°F2025-08-04
|
69°F2021-08-13
45°F1984-08-28
|
| September | 94°F1988-09-02
54°F2007-09-30
|
66°F2017-09-05
39°F2019-09-30
|
| October | 89°F2022-10-16
39°F1984-10-31
|
57°F1988-10-02
26°F1984-10-31
|
| November | 71°F2010-11-03
23°F1985-11-30
|
57°F2006-11-06
6°F1985-11-23
|
| December | 60°F2002-12-14
18°F1985-12-01
|
53°F2005-12-24
5°F1990-12-21
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 65°F1992-02-28
12°F1989-02-02
|
54°F2005-01-19
3°F1989-02-03
|
| Spring (Mar–May) | 90°F2005-05-27
34°F1989-03-02
|
60°F2018-05-14
21°F1989-03-03
|
| Summer (Jun–Aug) | 107°F2021-06-28
50°F2025-07-04
|
73°F2021-06-28
40°F1991-06-03
|
| Autumn (Sep–Nov) | 94°F1988-09-02
23°F1985-11-30
|
66°F2017-09-05
6°F1985-11-23
|
All-time records
The most extreme value Seattle has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.