Washington, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a community in Nevada County, California.
This Afternoon
65°F
Mostly Sunny
Mostly sunny. High near 65, with temperatures falling to around 58 in the afternoon. West wind 0 to 3 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Tonight | 44°F | Partly Cloudy | 0 to 3 mph E | 1% |
| Thursday | 69°F | Sunny | 0 to 3 mph NNW | 0% |
| Thursday Night | 46°F | Mostly Clear | 1 to 7 mph ENE | 0% |
| Friday | 73°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 49°F | Mostly Clear | 0 to 9 mph NE | 0% |
| Saturday | 73°F | Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 49°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Sunday | 72°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Sunday Night | 49°F | Partly Cloudy | 0 to 6 mph NE | 0% |
| Monday | 69°F | Mostly Sunny | 0 to 3 mph SSE | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph ENE | 1% |
| Tuesday | 70°F | Sunny | 0 to 3 mph SSW | 3% |
| Tuesday Night | 49°F | Partly Cloudy then Slight Chance Light Rain | 2 mph ESE | 15% |
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 Nov 5, 2026.