Washington, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a community in Nevada County, California.
Overnight
63°F
Clear
Clear. Low around 63, with temperatures rising to around 65 overnight. East northeast wind around 1 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Clear | 1 mph ENE | 0% |
| Tuesday | 95°F | Sunny | 1 to 6 mph S | 0% |
| Tuesday Night | 68°F | Clear | 3 mph SSE | 0% |
| Wednesday | 94°F | Sunny | 1 to 6 mph S | 0% |
| Wednesday Night | 69°F | Clear | 1 to 5 mph SSW | 0% |
| Thursday | 95°F | Sunny | 1 to 6 mph S | 0% |
| Thursday Night | 70°F | Clear | 1 to 5 mph SSW | 0% |
| Friday | 96°F | Sunny | 1 to 6 mph SW | 0% |
| Friday Night | 71°F | Clear | 1 to 6 mph SSE | 0% |
| Saturday | 96°F | Sunny | 1 to 6 mph SSE | 0% |
| Saturday Night | 71°F | Clear | 1 to 6 mph SSE | 0% |
| Sunday | 94°F | Sunny | 2 to 7 mph SSE | 0% |
| Sunday Night | 69°F | Clear | 2 to 6 mph S | 0% |
| Monday | 90°F | Sunny | 2 to 7 mph SSE | 0% |
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 Aug 4, 2026.