Rumsey, CA Weather & Growing Conditions
Tonight
68°F
Clear
Clear, with a low around 68. Northwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Clear | 8 mph NW | 0% |
| Saturday | 88°F | Haze then Sunny | 5 to 8 mph NNW | 0% |
| Saturday Night | 67°F | Partly Cloudy | 6 mph W | 0% |
| Sunday | 83°F | Partly Sunny | 7 mph NNE | 0% |
| Sunday Night | 64°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Monday | 88°F | Sunny | 3 to 8 mph E | 0% |
| Monday Night | 65°F | Mostly Clear | 5 to 8 mph WSW | 0% |
| Tuesday | 89°F | Sunny | 7 mph NE | 0% |
| Tuesday Night | 69°F | Clear | 3 to 7 mph W | 0% |
| Wednesday | 90°F | Sunny | 7 mph NNE | 0% |
| Wednesday Night | 72°F | Mostly Clear | 6 mph WSW | 0% |
| Thursday | 91°F | Sunny | 5 to 8 mph W | 0% |
| Thursday Night | 70°F | Mostly Clear | 8 mph WSW | 0% |
| Friday | 87°F | Sunny | 5 to 9 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rumsey, CA
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9b
Explore more for Rumsey, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Clearlake 4 Se, Ca (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.