Downieville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Downieville, a community in Sierra County, California.
Today
97°F
Sunny
Sunny, with a high near 97. Southwest wind 1 to 7 mph.
7-day forecast for Downieville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 1 to 7 mph SW | 0% |
| Tonight | 59°F | Clear | 1 to 5 mph NNW | 0% |
| Wednesday | 96°F | Sunny | 1 to 7 mph S | 0% |
| Wednesday Night | 59°F | Clear | 1 to 6 mph SSW | 0% |
| Thursday | 98°F | Sunny | 1 to 7 mph SSW | 0% |
| Thursday Night | 60°F | Clear | 1 to 6 mph ESE | 0% |
| Friday | 99°F | Sunny | 1 to 6 mph SW | 0% |
| Friday Night | 61°F | Clear | 0 to 6 mph NE | 0% |
| Saturday | 99°F | Sunny | 1 to 7 mph SSE | 0% |
| Saturday Night | 60°F | Clear | 1 to 7 mph E | 0% |
| Sunday | 96°F | Sunny | 1 to 7 mph S | 0% |
| Sunday Night | 57°F | Clear | 1 to 7 mph SSW | 0% |
| Monday | 92°F | Sunny | 1 to 8 mph SSE | 1% |
| Monday Night | 54°F | Mostly Clear | 1 to 7 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Downieville (39.579, -120.816). Updated through the day.
Growing snapshot for Downieville
Last spring frost
Apr 28
First fall frost
Oct 25
Growing season
178 days
Hardiness zone
8a
More local growing data for Downieville: nearby ZIP 95936 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Downieville, Ca (2.9 mi from Downieville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.