Downieville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Downieville, a community in Sierra County, California.
This Afternoon
81°F
Sunny
Sunny, with a high near 81. West southwest wind around 3 mph.
7-day forecast for Downieville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Sunny | 3 mph WSW | 0% |
| Tonight | 48°F | Clear | 1 to 7 mph NE | 0% |
| Saturday | 88°F | Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 50°F | Partly Cloudy | 2 to 6 mph NNW | 0% |
| Sunday | 86°F | Partly Sunny | 0 to 3 mph NE | 0% |
| Sunday Night | 48°F | Mostly Cloudy | 3 mph NE | 0% |
| Monday | 88°F | Mostly Sunny | 0 to 3 mph N | 2% |
| Monday Night | 49°F | Partly Cloudy | 0 to 3 mph S | 0% |
| Tuesday | 89°F | Sunny | 0 to 5 mph S | 0% |
| Tuesday Night | 50°F | Mostly Clear | 3 mph NNW | 0% |
| Wednesday | 91°F | Sunny | 1 to 5 mph SE | 0% |
| Wednesday Night | 52°F | Mostly Clear | 3 mph ENE | 0% |
| Thursday | 90°F | Sunny | 1 to 6 mph SSE | 0% |
| Thursday Night | 52°F | Partly Cloudy | 1 to 5 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 Sep 19, 2026.