Harman US

Sierra City, CA Weather & Growing Conditions

This Afternoon
49°F
Light Rain
Rain before 4pm, then haze and a chance of rain. Mostly cloudy. High near 49, with temperatures falling to around 44 in the afternoon. Southwest wind 2 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 49°F Light Rain 2 to 13 mph SW 79%
Tonight 30°F Haze then Widespread Frost 3 mph SW 32%
Wednesday 56°F Widespread Frost then Sunny 1 to 5 mph ENE 0%
Wednesday Night 33°F Widespread Frost 1 to 5 mph ESE 0%
Thursday 60°F Widespread Frost then Sunny 5 mph ENE 0%
Thursday Night 35°F Mostly Clear 2 to 6 mph ENE 0%
Friday 62°F Sunny 2 to 6 mph ENE 0%
Friday Night 36°F Mostly Clear 2 to 12 mph ENE 0%
Saturday 67°F Sunny 2 to 9 mph SSE 0%
Saturday Night 38°F Mostly Clear 2 to 6 mph S 0%
Sunday 63°F Mostly Sunny 3 to 8 mph SSW 0%
Sunday Night 39°F Partly Cloudy 6 mph SSW 0%
Monday 60°F Mostly Sunny 7 mph SSW 3%
Monday Night 38°F Partly Cloudy 5 mph S 3%

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 Nov 4, 2026.