Sierra City, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sierra City, a community in Sierra County, California.
This Afternoon
59°F
Light Rain
Rain before 3pm, then haze and a chance of rain. Mostly cloudy. High near 59, with temperatures falling to around 50 in the afternoon. Southwest wind 1 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Sierra City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Light Rain | 1 to 13 mph SW | 86% |
| Tonight | 37°F | Haze then Areas Of Frost | 1 to 5 mph NW | 38% |
| Wednesday | 66°F | Sunny | 1 to 6 mph N | 0% |
| Wednesday Night | 41°F | Partly Cloudy | 1 to 7 mph ESE | 0% |
| Thursday | 69°F | Sunny | 0 to 7 mph NE | 0% |
| Thursday Night | 43°F | Mostly Clear | 0 to 9 mph NE | 0% |
| Friday | 73°F | Sunny | 0 to 9 mph NE | 0% |
| Friday Night | 45°F | Mostly Clear | 0 to 14 mph NE | 0% |
| Saturday | 76°F | Sunny | 2 to 12 mph SSE | 0% |
| Saturday Night | 48°F | Mostly Clear | 3 to 7 mph SSE | 0% |
| Sunday | 73°F | Mostly Sunny | 7 mph SSW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 7 mph SSE | 0% |
| Monday | 70°F | Mostly Sunny | 7 mph SSW | 3% |
| Monday Night | 47°F | Partly Cloudy | 6 mph SSE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Sierra City (39.573, -120.628). Updated through the day.
Growing snapshot for Sierra City
Last spring frost
May 12
First fall frost
Oct 29
Growing season
167 days
Hardiness zone
7a
More local growing data for Sierra City: nearby ZIP 96125 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bowman Dam, Ca (11.4 mi from Sierra City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.