Harman US

Hamilton City, CA Weather & Growing Conditions

Tonight
56°F
Clear
Clear. Low around 56, with temperatures rising to around 58 overnight. West northwest wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 56°F Clear 2 mph WNW 0%
Saturday 93°F Sunny 2 to 6 mph NW 0%
Saturday Night 58°F Partly Cloudy 3 mph NE 0%
Sunday 88°F Mostly Sunny 1 to 7 mph SE 0%
Sunday Night 59°F Mostly Cloudy 1 to 7 mph ESE 0%
Monday 91°F Mostly Sunny 1 to 7 mph SE 0%
Monday Night 59°F Mostly Clear 1 to 7 mph ESE 0%
Tuesday 91°F Sunny 2 to 6 mph SSE 0%
Tuesday Night 59°F Mostly Clear 1 to 6 mph E 0%
Wednesday 93°F Sunny 1 to 6 mph WNW 0%
Wednesday Night 59°F Mostly Clear 0 to 6 mph ESE 0%
Thursday 95°F Sunny 2 to 8 mph NW 0%
Thursday Night 60°F Mostly Clear 2 to 8 mph SE 0%
Friday 91°F Sunny 2 to 8 mph ESE 0%

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

Growing snapshot for Hamilton City, CA

Last spring frost
Mar 4
First fall frost
Nov 17
Growing season
257 days
Hardiness zone
9b

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

Climate data from the nearest NOAA station, Chico Univ Farm, Ca (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.