Sierra City, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sierra City, a community in Sierra County, California.
Tonight
54°F
Clear
Clear. Low around 54, with temperatures rising to around 56 overnight. North northeast wind 0 to 9 mph.
7-day forecast for Sierra City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Clear | 0 to 9 mph NNE | 0% |
| Saturday | 88°F | Sunny | 0 to 9 mph NE | 0% |
| Saturday Night | 57°F | Partly Cloudy | 0 to 8 mph ENE | 0% |
| Sunday | 88°F | Partly Sunny | 2 to 8 mph SE | 0% |
| Sunday Night | 58°F | Mostly Cloudy | 1 to 5 mph E | 0% |
| Monday | 89°F | Mostly Sunny | 5 mph NNW | 3% |
| Monday Night | 58°F | Partly Cloudy | 2 to 6 mph SSE | 0% |
| Tuesday | 90°F | Sunny | 3 to 7 mph WNW | 0% |
| Tuesday Night | 59°F | Mostly Clear | 2 to 7 mph SSE | 0% |
| Wednesday | 91°F | Sunny | 3 to 7 mph SSW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 6 mph SSE | 0% |
| Thursday | 89°F | Sunny | 8 mph S | 0% |
| Thursday Night | 60°F | Partly Cloudy | 5 to 8 mph S | 1% |
| Friday | 84°F | Mostly Sunny | 6 to 9 mph S | 1% |
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 Sep 19, 2026.