Harman US

Bellevue, WA Weather & Growing Conditions

Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. South southeast wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 51°F Mostly Cloudy 3 mph SSE 0%
Saturday 70°F Partly Sunny 2 mph W 0%
Saturday Night 52°F Mostly Clear 2 mph NNE 0%
Sunday 71°F Mostly Sunny 3 mph N 0%
Sunday Night 51°F Mostly Clear 3 mph NNE 0%
Monday 69°F Mostly Sunny 3 mph N 0%
Monday Night 52°F Partly Cloudy 5 mph NNE 1%
Tuesday 66°F Partly Sunny 2 mph NNW 1%
Tuesday Night 51°F Mostly Cloudy 3 mph ESE 8%
Wednesday 66°F Partly Sunny then Slight Chance Light Rain 3 mph WSW 16%
Wednesday Night 51°F Slight Chance Light Rain then Mostly Cloudy 3 mph N 16%
Thursday 62°F Mostly Cloudy then Slight Chance Light Rain 5 mph NNE 21%
Thursday Night 49°F Slight Chance Light Rain 5 mph NNE 21%
Friday 61°F Slight Chance Light Rain 5 mph N 16%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Bellevue, WA

Last spring frost
Mar 13
First fall frost
Nov 16
Growing season
248 days
Hardiness zone
8b

Explore more for Bellevue, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Renton Muni Ap, Wa (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.