Harman US

Cottonwood, CA Weather & Growing Conditions

Today
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. North northwest wind 1 to 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 68°F Mostly Sunny 1 to 6 mph NNW 2%
Tonight 42°F Mostly Clear 3 mph NW 2%
Thursday 72°F Sunny 3 to 10 mph NNW 0%
Thursday Night 44°F Mostly Clear 1 to 5 mph NW 0%
Friday 75°F Mostly Sunny 3 mph N 0%
Friday Night 44°F Mostly Clear 0 to 3 mph NW 0%
Saturday 72°F Sunny 2 mph ENE 0%
Saturday Night 45°F Mostly Clear 1 mph NNW 0%
Sunday 72°F Mostly Sunny 2 mph NNW 0%
Sunday Night 45°F Partly Cloudy 0 mph 0%
Monday 70°F Mostly Sunny 2 mph NNE 1%
Monday Night 45°F Partly Cloudy 0 mph 2%
Tuesday 71°F Mostly Sunny 2 mph NNE 7%
Tuesday Night 44°F Partly Cloudy 1 mph ENE 12%

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

Growing snapshot for Cottonwood, CA

Last spring frost
Mar 3
First fall frost
Nov 21
Growing season
261 days
Hardiness zone
9a

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

Climate data from the nearest NOAA station, Redding Muni Ap, Ca (14.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.