Seattle, WA Weather & Growing Conditions
This Afternoon
73°F
Sunny
Sunny, with a high near 73. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 0 to 5 mph SW | 0% |
| Tonight | 54°F | Partly Cloudy | 1 mph SSW | 0% |
| Saturday | 73°F | Partly Sunny | 0 to 3 mph WSW | 1% |
| Saturday Night | 54°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 73°F | Mostly Sunny | 0 to 7 mph N | 0% |
| Sunday Night | 54°F | Mostly Clear | 0 to 7 mph N | 1% |
| Monday | 72°F | Mostly Sunny | 0 to 5 mph NNW | 1% |
| Monday Night | 55°F | Partly Cloudy | 1 to 5 mph NNE | 2% |
| Tuesday | 70°F | Partly Sunny | 3 mph NNW | 2% |
| Tuesday Night | 54°F | Partly Cloudy | 3 mph ENE | 3% |
| Wednesday | 69°F | Partly Sunny | 1 to 5 mph WSW | 3% |
| Wednesday Night | 54°F | Mostly Cloudy | 1 to 5 mph NNE | 6% |
| Thursday | 70°F | Partly Sunny | 1 to 6 mph NNE | 14% |
| Thursday Night | 55°F | Chance Light Rain | 6 mph SSE | 26% |
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 (0.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.