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Richfield, CA Weather & Growing Conditions

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

Today
104°F
Sunny
Sunny. High near 104, with temperatures falling to around 102 in the afternoon. South southeast wind 2 to 9 mph.

7-day forecast for Richfield

WhenTempForecastWindPrecip
Today 104°F Sunny 2 to 9 mph SSE 0%
Tonight 69°F Mostly Clear 2 to 8 mph SSE 0%
Wednesday 101°F Sunny 2 to 9 mph SSE 0%
Wednesday Night 68°F Clear 2 to 9 mph SE 0%
Thursday 101°F Sunny 2 to 9 mph SW 0%
Thursday Night 68°F Clear 3 to 9 mph SE 0%
Friday 102°F Sunny 1 to 7 mph N 0%
Friday Night 69°F Clear 2 to 7 mph SSE 0%
Saturday 102°F Sunny 2 to 8 mph NNW 0%
Saturday Night 69°F Clear 2 to 8 mph E 0%
Sunday 100°F Sunny 2 to 10 mph NW 0%
Sunday Night 67°F Clear 3 to 10 mph SE 0%
Monday 95°F Sunny 3 to 12 mph WSW 0%
Monday Night 63°F Clear 2 to 12 mph SE 0%

Forecast source: National Weather Service (api.weather.gov) for Richfield (39.974, -122.173). Updated through the day.

Growing snapshot for Richfield

Last spring frost
Feb 22
First fall frost
Nov 29
Growing season
281 days
Hardiness zone
9a

More local growing data for Richfield: nearby ZIP 96090 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Red Bluff Muni Ap, Ca (12.3 mi from Richfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.