Sierra City, CA Weather & Growing Conditions
Today
90°F
Sunny
Sunny. High near 90, with temperatures falling to around 88 in the afternoon. South wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 3 to 8 mph S | 0% |
| Tonight | 56°F | Mostly Clear | 6 mph ESE | 0% |
| Wednesday | 89°F | Sunny | 3 to 8 mph SSW | 0% |
| Wednesday Night | 56°F | Clear | 3 to 7 mph S | 0% |
| Thursday | 90°F | Sunny | 3 to 8 mph SSW | 0% |
| Thursday Night | 58°F | Clear | 3 to 8 mph S | 0% |
| Friday | 91°F | Sunny | 3 to 9 mph SSW | 0% |
| Friday Night | 59°F | Mostly Clear | 5 to 9 mph S | 0% |
| Saturday | 90°F | Sunny | 5 to 9 mph SSW | 0% |
| Saturday Night | 57°F | Clear | 5 to 9 mph S | 0% |
| Sunday | 88°F | Sunny | 6 to 10 mph S | 0% |
| Sunday Night | 54°F | Clear | 6 to 9 mph S | 0% |
| Monday | 84°F | Sunny | 7 to 10 mph S | 1% |
| Monday Night | 52°F | Mostly Clear | 6 to 10 mph S | 1% |
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 Aug 4, 2026.