Harman US

Washington, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Washington, a community in Nevada County, California.

Tonight
59°F
Clear
Clear. Low around 59, with temperatures rising to around 61 overnight. East northeast wind 1 to 7 mph.

7-day forecast for Washington

WhenTempForecastWindPrecip
Tonight 59°F Clear 1 to 7 mph ENE 0%
Saturday 86°F Sunny 0 to 5 mph ENE 0%
Saturday Night 61°F Partly Cloudy 1 to 5 mph ENE 0%
Sunday 84°F Partly Sunny 1 to 5 mph SSE 0%
Sunday Night 60°F Mostly Cloudy 2 mph NE 0%
Monday 85°F Mostly Sunny 0 to 5 mph N 2%
Monday Night 60°F Mostly Clear 2 mph NNE 0%
Tuesday 86°F Sunny 1 to 5 mph W 0%
Tuesday Night 61°F Mostly Clear 3 mph NE 0%
Wednesday 88°F Sunny 1 to 5 mph SW 0%
Wednesday Night 63°F Mostly Clear 5 mph NNW 0%
Thursday 88°F Sunny 2 to 6 mph SSE 0%
Thursday Night 65°F Partly Cloudy 1 to 5 mph SE 1%
Friday 84°F Sunny 1 to 6 mph SSE 1%

Forecast source: National Weather Service (api.weather.gov) for Washington (39.359, -120.790). Updated through the day.

Growing snapshot for Washington

Last spring frost
May 4
First fall frost
Nov 4
Growing season
183 days
Hardiness zone
8b

More local growing data for Washington: nearby ZIP 95986 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Blue Canyon Ap, Ca (6.5 mi from Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.