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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
93°F
Sunny
Sunny, with a high near 93. North northwest wind 3 to 7 mph.

7-day forecast for Richfield

WhenTempForecastWindPrecip
Today 93°F Sunny 3 to 7 mph NNW 0%
Tonight 59°F Partly Cloudy 3 mph NNE 0%
Sunday 89°F Partly Sunny 2 to 7 mph S 0%
Sunday Night 59°F Mostly Cloudy 2 to 7 mph ENE 0%
Monday 92°F Sunny 2 to 8 mph SSW 0%
Monday Night 60°F Mostly Clear 1 to 8 mph NE 0%
Tuesday 90°F Sunny 2 to 7 mph SSE 0%
Tuesday Night 60°F Clear 1 to 7 mph SE 0%
Wednesday 92°F Sunny 5 mph WSW 0%
Wednesday Night 61°F Mostly Clear 0 to 5 mph SE 0%
Thursday 93°F Sunny 3 to 9 mph ENE 1%
Thursday Night 61°F Mostly Clear 2 to 9 mph NE 1%
Friday 89°F Sunny 3 to 9 mph NNE 1%
Friday Night 58°F Partly Cloudy 2 to 9 mph SE 4%

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 Sep 19, 2026.