Washington, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a community in Nevada County, California.
This Afternoon
58°F
Rain
Rain before 2pm, then haze and rain likely. Mostly cloudy. High near 58, with temperatures falling to around 52 in the afternoon. South wind 0 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Rain | 0 to 7 mph S | 95% |
| Tonight | 39°F | Haze then Mostly Cloudy | 2 mph ENE | 34% |
| Wednesday | 64°F | Sunny | 0 to 3 mph N | 0% |
| Wednesday Night | 41°F | Partly Cloudy | 2 mph NE | 0% |
| Thursday | 69°F | Sunny | 0 to 3 mph NNE | 0% |
| Thursday Night | 44°F | Mostly Clear | 0 to 7 mph NE | 0% |
| Friday | 73°F | Sunny | 0 to 3 mph N | 0% |
| Friday Night | 49°F | Mostly Clear | 0 to 10 mph NE | 0% |
| Saturday | 74°F | Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 49°F | Mostly Clear | 0 to 6 mph NE | 0% |
| Sunday | 72°F | Mostly Sunny | 0 to 3 mph SSW | 0% |
| Sunday Night | 50°F | Partly Cloudy | 2 mph NE | 0% |
| Monday | 69°F | Partly Sunny | 0 to 3 mph SSE | 3% |
| Monday Night | 50°F | Partly Cloudy | 2 mph E | 3% |
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 3, 2026.