Harman US

Fall River Mills, CA Weather & Growing Conditions

This Afternoon
49°F
Light Rain Likely
Rain likely before 5pm, then patchy fog. Mostly cloudy. High near 49, with temperatures falling to around 44 in the afternoon. West northwest wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 49°F Light Rain Likely 1 to 7 mph WNW 60%
Tonight 30°F Haze 1 mph ESE 9%
Wednesday 55°F Widespread Frost then Mostly Sunny 2 mph N 0%
Wednesday Night 30°F Mostly Cloudy then Widespread Frost 1 mph E 0%
Thursday 58°F Widespread Frost then Sunny 3 mph NE 0%
Thursday Night 28°F Widespread Frost 5 mph ENE 0%
Friday 64°F Widespread Frost then Mostly Sunny 2 mph NE 0%
Friday Night 32°F Mostly Clear 1 to 8 mph ENE 0%
Saturday 66°F Sunny 3 mph N 0%
Saturday Night 32°F Partly Cloudy 3 mph S 0%
Sunday 62°F Mostly Sunny 3 mph SSW 0%
Sunday Night 32°F Mostly Cloudy 0 to 3 mph SE 1%
Monday 60°F Partly Sunny 0 to 3 mph SW 5%
Monday Night 31°F Partly Cloudy 0 to 3 mph SSE 5%

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

Growing snapshot for Fall River Mills, CA

Last spring frost
May 29
First fall frost
Sep 19
Growing season
113 days
Hardiness zone
7b

Explore more for Fall River Mills, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Hat Creek, Ca (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.