Washington, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a community in Nevada County, California.
Tonight
59°F
Clear
Clear. Low around 59, with temperatures rising to around 61 overnight. East northeast wind 1 to 7 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Clear | 1 to 7 mph ENE | 0% |
| Saturday | 86°F | Sunny | 0 to 5 mph ENE | 0% |
| Saturday Night | 61°F | Partly Cloudy | 1 to 5 mph ENE | 0% |
| Sunday | 84°F | Partly Sunny | 1 to 5 mph SSE | 0% |
| Sunday Night | 60°F | Mostly Cloudy | 2 mph NE | 0% |
| Monday | 85°F | Mostly Sunny | 0 to 5 mph N | 2% |
| Monday Night | 60°F | Mostly Clear | 2 mph NNE | 0% |
| Tuesday | 86°F | Sunny | 1 to 5 mph W | 0% |
| Tuesday Night | 61°F | Mostly Clear | 3 mph NE | 0% |
| Wednesday | 88°F | Sunny | 1 to 5 mph SW | 0% |
| Wednesday Night | 63°F | Mostly Clear | 5 mph NNW | 0% |
| Thursday | 88°F | Sunny | 2 to 6 mph SSE | 0% |
| Thursday Night | 65°F | Partly Cloudy | 1 to 5 mph SE | 1% |
| Friday | 84°F | Sunny | 1 to 6 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Washington (39.359, -120.790). Updated through the day.
Growing snapshot for Washington
Last spring frost
May 4
First fall frost
Nov 4
Growing season
183 days
Hardiness zone
8b
More local growing data for Washington: nearby ZIP 95986 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alta Sierra
Floriston
Graniteville
Grass Valley
Lake Wildwood
Nevada City
Penn Valley
Rough and Ready
Truckee
Climate data from the nearest NOAA station, Blue Canyon Ap, Ca (6.5 mi from Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.