Washington, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a community in Nevada County, California.
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 81 in the afternoon. East northeast wind 0 to 5 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 0 to 5 mph ENE | 0% |
| Tonight | 61°F | Partly Cloudy | 0 to 6 mph ENE | 0% |
| Sunday | 84°F | Mostly Cloudy | 3 mph WSW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 2 mph NE | 0% |
| Monday | 84°F | Mostly Sunny | 1 to 5 mph W | 0% |
| Monday Night | 60°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Tuesday | 85°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 61°F | Mostly Clear | 3 mph ENE | 0% |
| Wednesday | 87°F | Sunny | 1 to 5 mph SSW | 0% |
| Wednesday Night | 63°F | Mostly Clear | 3 mph E | 0% |
| Thursday | 87°F | Sunny | 2 to 6 mph S | 0% |
| Thursday Night | 63°F | Partly Cloudy | 5 mph SE | 1% |
| Friday | 83°F | Mostly Sunny | 2 to 6 mph SSE | 1% |
| Friday Night | 60°F | Partly Cloudy | 1 to 5 mph SSE | 2% |
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.