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 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny then Areas Of Smoke | 3 to 8 mph N | 0% |
| Tonight | 58°F | Patchy Smoke then Clear | 2 to 7 mph NNE | 0% |
| Wednesday | 89°F | Sunny then Patchy Smoke | 2 to 7 mph N | 0% |
| Wednesday Night | 60°F | Clear | 0 to 7 mph N | 0% |
| Thursday | 90°F | Sunny | 0 to 6 mph NNW | 0% |
| Thursday Night | 61°F | Mostly Clear | 1 to 6 mph NNW | 0% |
| Friday | 87°F | Sunny | 1 to 5 mph SW | 0% |
| Friday Night | 59°F | Mostly Clear | 1 to 6 mph NNE | 0% |
| Saturday | 83°F | Sunny | 1 to 8 mph N | 0% |
| Saturday Night | 57°F | Mostly Clear | 1 to 8 mph NE | 1% |
| Sunday | 79°F | Sunny | 1 to 5 mph WSW | 1% |
| Sunday Night | 57°F | Mostly Clear | 1 to 5 mph NNE | 1% |
| Monday | 79°F | Mostly Sunny | 1 to 5 mph NW | 1% |
| Monday Night | 57°F | Mostly Clear | 1 to 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 8
First fall frost
Nov 23
Growing season
259 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 Sand Pt Wsfo, Wa (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.