Harman US

Sierra City, CA Weather & Growing Conditions

This Afternoon
72°F
Sunny
Sunny, with a high near 72. North northwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 72°F Sunny 5 mph NNW 0%
Tonight 44°F Clear 0 to 6 mph NNE 0%
Saturday 78°F Sunny 1 to 7 mph NE 0%
Saturday Night 47°F Partly Cloudy 1 to 6 mph NNE 0%
Sunday 78°F Partly Sunny 6 mph S 0%
Sunday Night 47°F Mostly Cloudy 1 to 5 mph S 0%
Monday 79°F Mostly Sunny 5 mph NE 3%
Monday Night 48°F Partly Cloudy 5 mph SSW 1%
Tuesday 80°F Sunny 6 mph NNW 0%
Tuesday Night 48°F Mostly Clear 1 to 6 mph S 0%
Wednesday 81°F Sunny 6 mph SSW 0%
Wednesday Night 50°F Mostly Clear 2 to 6 mph SSE 0%
Thursday 81°F Sunny 8 mph SSW 0%
Thursday Night 49°F Partly Cloudy 3 to 8 mph S 0%

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

Growing snapshot for Sierra City, CA

Last spring frost
May 12
First fall frost
Oct 29
Growing season
167 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Bowman Dam, Ca (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.