Washington, CA Weather & Growing Conditions
Overnight
40°F
Clear
Clear, with a low around 40. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Clear | 3 mph E | 0% |
| Wednesday | 68°F | Sunny | 0 to 5 mph N | 1% |
| Wednesday Night | 45°F | Partly Cloudy | 1 to 5 mph E | 1% |
| Thursday | 73°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 47°F | Mostly Clear | 0 to 7 mph NNE | 0% |
| Friday | 77°F | Sunny | 0 to 6 mph NNE | 0% |
| Friday Night | 50°F | Mostly Clear | 0 to 8 mph NE | 0% |
| Saturday | 77°F | Sunny | 0 to 5 mph SSE | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Sunday | 76°F | Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 51°F | Partly Cloudy | 0 to 6 mph NE | 0% |
| Monday | 73°F | Mostly Sunny | 0 to 3 mph ESE | 1% |
| Monday Night | 50°F | Partly Cloudy | 2 mph NE | 1% |
| Tuesday | 73°F | Sunny then Slight Chance Light Rain | 0 to 3 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Washington, CA
Last spring frost
May 4
First fall frost
Nov 4
Growing season
183 days
Hardiness zone
9a
Explore more for Washington, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Blue Canyon Ap, Ca (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.