Rumsey, CA Weather & Growing Conditions
Overnight
77°F
Clear
Clear. Low around 77, with temperatures rising to around 79 overnight. North northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Clear | 5 mph NNW | 0% |
| Tuesday | 98°F | Sunny | 5 to 8 mph ENE | 0% |
| Tuesday Night | 74°F | Mostly Clear | 5 to 9 mph WSW | 0% |
| Wednesday | 96°F | Sunny | 5 to 8 mph S | 0% |
| Wednesday Night | 73°F | Clear | 5 to 8 mph SW | 0% |
| Thursday | 97°F | Sunny | 5 to 8 mph SW | 0% |
| Thursday Night | 74°F | Clear | 3 to 8 mph WSW | 0% |
| Friday | 98°F | Sunny | 3 to 7 mph NNW | 0% |
| Friday Night | 76°F | Clear | 3 to 8 mph WSW | 0% |
| Saturday | 99°F | Sunny | 3 to 8 mph N | 0% |
| Saturday Night | 77°F | Clear | 6 to 9 mph WSW | 0% |
| Sunday | 97°F | Sunny | 6 to 9 mph NNE | 0% |
| Sunday Night | 72°F | Clear | 5 to 9 mph SW | 0% |
| Monday | 91°F | Sunny | 5 to 9 mph NE | 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 Aug 4, 2026.