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Westwood, CA Weather & Growing Conditions

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

Tonight
39°F
Clear
Clear, with a low around 39. Northeast wind 0 to 5 mph.

7-day forecast for Westwood

WhenTempForecastWindPrecip
Tonight 39°F Clear 0 to 5 mph NE 0%
Saturday 78°F Sunny 0 to 5 mph NE 0%
Saturday Night 41°F Partly Cloudy 0 to 5 mph NE 0%
Sunday 79°F Mostly Sunny 0 to 5 mph E 0%
Sunday Night 44°F Mostly Cloudy 0 mph 0%
Monday 81°F Mostly Sunny 0 to 5 mph NE 0%
Monday Night 44°F Mostly Clear 0 to 5 mph N 0%
Tuesday 82°F Sunny 0 to 5 mph W 0%
Tuesday Night 44°F Mostly Clear 0 to 5 mph NW 0%
Wednesday 82°F Sunny 0 to 5 mph SW 0%
Wednesday Night 45°F Mostly Clear 0 to 5 mph NW 0%
Thursday 81°F Sunny 0 to 5 mph S 0%
Thursday Night 45°F Partly Cloudy 0 to 5 mph SW 0%
Friday 76°F Sunny 0 to 5 mph S 0%

Forecast source: National Weather Service (api.weather.gov) for Westwood (40.305, -121.004). Updated through the day.

Growing snapshot for Westwood

Last spring frost
May 18
First fall frost
Oct 8
Growing season
143 days
Hardiness zone
7b

More local growing data for Westwood: nearby ZIP 95923 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Canyon Dam, Ca (2.7 mi from Westwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.