Weather in Seattle, Washington for April 2026
Frost Advisory - See hour by hour.
Until now, April 2026 in Seattle has been nearly identical to the historical average, with a temperature of 12.7 °F (showing only a slight deviation of 0.4 °F).
The forecast for the coming days of April 2026 predicts a temperature of 16.7 °F , which is warmer than usual.
In general, the average temperature in Seattle at the beginning of April is 12.4 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.3 °F by the end of April.
Seattle experiences heavy rainfall in April, with over 20 rainy days and an average total precipitation 100.6 mm.
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Seattle Weather April
Temperatures trend during April in Seattle
April weather in Seattle day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Overcast | 12° /4° | 6.2 mm | 3 | |
| Apr. 2 | Overcast | 12° /4° | 4.1 mm | 3 | |
| Apr. 3 | Overcast | 12° /4° | 2.9 mm | 3 | |
| Apr. 4 |  Patchy rain possible | 11° /3° | 3.6 mm | 3 | |
| Apr. 5 | Patchy rain possible | 14° /3° | 0.6 mm | 3 | |
| Apr. 6 |  Moderate or heavy rain shower | 14° /5° | 6.4 mm | 3 | |
| Apr. 7 | Light rain shower | 12° /5° | 9 mm | 3 | |
| Apr. 8 | Patchy rain possible | 12° /4° | 8.3 mm | 3 | |
| Apr. 9 | Patchy rain possible | 12° /4° | 5.3 mm | 3 | |
| Apr. 10 | Moderate or heavy rain shower | 12° /4° | 7.5 mm | 3 | |
| Apr. 11 | Patchy rain possible | 11° /4° | 1.6 mm | 3 | |
| Apr. 12 | Overcast | 11° /3° | 0.5 mm | 3 | |
| Apr. 13 | Patchy rain possible | 12° /3° | 0.5 mm | 3 | |
| Apr. 14 | Overcast | 14° /3° | 3 mm | 3 | |
| Apr. 15 | Patchy rain possible | 13° /4° | 3.8 mm | 4 | |
| Apr. 16 |  Mist | 13° /3° | 3.3 mm | 3 | |
| Apr. 17 |  Partly cloudy | 14° /3° | 0 mm | 1.1 | |
| Apr. 18 | Partly cloudy | 19° /6° | 0 mm | 1.4 | |
| Apr. 19 | Partly cloudy | 21° /12° | 0 mm | 1.3 | |
| Apr. 20 |  Sunny | 22° /9° | 0 mm | 1.4 | |
| Apr. 21 | Partly cloudy | 21° /9° | 0 mm | 0 | |
| Apr. 22 |  Cloudy | 18° /9° | 0 mm | 3 | |
| Apr. 23 | Patchy rain possible | 12° /6° | 0.2 mm | 2 | |
| Apr. 24 | Sunny | 18° /3° | 0 mm | 4 | |
| Apr. 25 | Sunny | 18° /5° | 0 mm | 4 | |
| Apr. 26 | Patchy rain possible | 12° /8° | 0.2 mm | 2 | |
| Apr. 27 | Overcast | 12° /5° | 0.1 mm | 2 | |
| Apr. 28 | Overcast | 15° /7° | 0 mm | 2 | |
| Apr. 29 | Partly cloudy | 18° /5° | 0 mm | 4 | |
| Apr. 30 | Patchy rain possible | 14° /8° | 0 mm | 3 | |
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Seattle in April - FAQ
What are the expected maximum and minimum temperatures in Seattle during April?
How much rainfall should be expected in Seattle during April?
What are the typical wind conditions in Seattle during April?
April rainfall patterns in Seattle
UV exposure in Seattle during April
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