Seattle, WA Weather & Growing Conditions
Today
80°F
Sunny then Patchy Smoke
Patchy smoke after 2pm. Sunny, with a high near 80. North wind 8 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny then Patchy Smoke | 8 to 13 mph N | 0% |
| Tonight | 59°F | Patchy Smoke then Clear | 5 to 12 mph NNE | 0% |
| Wednesday | 84°F | Sunny then Patchy Smoke | 5 to 10 mph N | 0% |
| Wednesday Night | 59°F | Clear | 2 to 10 mph N | 0% |
| Thursday | 85°F | Sunny | 2 to 8 mph NNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 3 to 8 mph NW | 0% |
| Friday | 83°F | Sunny | 3 to 8 mph SW | 0% |
| Friday Night | 58°F | Mostly Clear | 2 to 9 mph NNE | 0% |
| Saturday | 75°F | Sunny | 2 to 12 mph NNE | 0% |
| Saturday Night | 57°F | Mostly Clear | 2 to 12 mph NE | 1% |
| Sunday | 71°F | Sunny | 2 to 6 mph SSW | 1% |
| Sunday Night | 57°F | Mostly Clear | 2 to 6 mph NNE | 1% |
| Monday | 71°F | Mostly Sunny | 2 to 7 mph WNW | 1% |
| Monday Night | 57°F | Partly Cloudy | 3 to 7 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 (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.