Harman US

Seattle, WA Weather & Growing Conditions

This Afternoon
57°F
Partly Sunny
Partly sunny. High near 57, with temperatures falling to around 53 in the afternoon. Northwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 57°F Partly Sunny 5 mph NW 3%
Tonight 41°F Partly Cloudy then Patchy Fog 0 mph 3%
Wednesday 58°F Partly Sunny then Slight Chance Light Rain 1 to 5 mph SSE 16%
Wednesday Night 50°F Light Rain 5 to 12 mph S 94%
Thursday 58°F Slight Chance Light Rain then Partly Sunny 6 to 9 mph SSW 15%
Thursday Night 48°F Light Rain 5 to 8 mph S 77%
Friday 57°F Light Rain 6 to 9 mph S 77%
Friday Night 49°F Chance Light Rain 2 to 6 mph S 46%
Saturday 62°F Chance Light Rain 3 mph S 31%
Saturday Night 52°F Light Rain Likely 3 to 15 mph S 72%
Sunday 58°F Light Rain Likely 5 to 16 mph SSW 68%
Sunday Night 47°F Slight Chance Light Rain 5 mph SSE 22%
Monday 57°F Chance Light Rain 5 mph SE 52%
Monday Night 49°F Light Rain Likely 5 to 8 mph SSE 71%

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 Nov 4, 2026.