Seattle, WA Weather & Growing Conditions
Today
84°F
Sunny then Areas Of Smoke
Areas of smoke after 1pm. Sunny, with a high near 84. North wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny then Areas Of Smoke | 6 to 9 mph N | 0% |
| Tonight | 60°F | Areas Of Smoke | 3 to 8 mph NNE | 0% |
| Wednesday | 89°F | Sunny then Patchy Smoke | 3 to 7 mph N | 0% |
| Wednesday Night | 61°F | Clear | 1 to 7 mph N | 0% |
| Thursday | 89°F | Sunny | 1 to 6 mph NW | 0% |
| Thursday Night | 62°F | Mostly Clear | 6 mph WNW | 0% |
| Friday | 86°F | Sunny | 5 mph WSW | 0% |
| Friday Night | 61°F | Mostly Clear | 1 to 7 mph NNE | 0% |
| Saturday | 83°F | Sunny | 1 to 7 mph NW | 0% |
| Saturday Night | 59°F | Mostly Clear | 2 to 8 mph NE | 1% |
| Sunday | 78°F | Sunny | 3 mph WSW | 1% |
| Sunday Night | 59°F | Mostly Clear | 5 mph NNE | 1% |
| Monday | 78°F | Mostly Sunny | 5 mph WNW | 1% |
| Monday Night | 59°F | Partly Cloudy | 5 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Seattle, WA
Last spring frost
Mar 13
First fall frost
Nov 17
Growing season
247 days
Hardiness zone
9a
Explore more for Seattle, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Seattle Boeing Fld, Wa (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.