Washington, CA Weather & Growing Conditions
Tonight
40°F
Partly Cloudy
Partly cloudy, with a low around 40. East wind 0 to 3 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Partly Cloudy | 0 to 3 mph E | 9% |
| Wednesday | 63°F | Sunny | 0 to 3 mph NW | 0% |
| Wednesday Night | 44°F | Partly Cloudy | 3 mph N | 0% |
| Thursday | 67°F | Sunny | 0 to 5 mph NNE | 0% |
| Thursday Night | 46°F | Mostly Clear | 0 to 8 mph NE | 0% |
| Friday | 72°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 50°F | Mostly Clear | 0 to 10 mph NE | 0% |
| Saturday | 73°F | Sunny | 0 to 6 mph N | 0% |
| Saturday Night | 51°F | Mostly Clear | 0 to 7 mph ENE | 0% |
| Sunday | 71°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 2 mph ENE | 0% |
| Monday | 68°F | Mostly Sunny | 3 mph SSE | 3% |
| Monday Night | 51°F | Partly Cloudy | 2 mph ESE | 3% |
| Tuesday | 68°F | Mostly Sunny | 3 mph S | 13% |
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
8b
Explore more for Washington, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Blue Canyon Ap, Ca (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.