Harman US

Richvale, CA Weather & Growing Conditions

Tonight
43°F
Partly Cloudy
Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. North northwest wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 43°F Partly Cloudy 2 to 6 mph NNW 3%
Wednesday 69°F Sunny 2 to 8 mph NW 0%
Wednesday Night 43°F Areas Of Fog 0 to 3 mph N 0%
Thursday 72°F Sunny 3 to 7 mph NW 0%
Thursday Night 42°F Mostly Clear 0 to 3 mph NNE 0%
Friday 72°F Patchy Fog then Sunny 2 mph NNW 0%
Friday Night 44°F Mostly Clear 2 mph NE 0%
Saturday 73°F Sunny 1 mph NW 0%
Saturday Night 45°F Mostly Clear 1 mph NE 0%
Sunday 73°F Mostly Sunny 2 mph NW 0%
Sunday Night 46°F Partly Cloudy 1 mph NE 1%
Monday 71°F Mostly Sunny 1 mph S 3%
Monday Night 46°F Partly Cloudy 2 mph N 3%
Tuesday 72°F Mostly Sunny 2 mph WNW 12%

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

Growing snapshot for Richvale, CA

Last spring frost
Jan 29
First fall frost
Dec 7
Growing season
317 days
Hardiness zone
9b

Explore more for Richvale, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Oroville Muni Ap, Ca (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.