Jamul, CA Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Northwest wind 0 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 to 15 mph NW | 1% |
| Tonight | 65°F | Mostly Clear | 0 to 10 mph N | 1% |
| Wednesday | 84°F | Sunny | 0 to 15 mph SW | 4% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 10 mph N | 1% |
| Thursday | 86°F | Sunny | 0 to 10 mph SW | 3% |
| Thursday Night | 68°F | Mostly Clear | 0 to 10 mph N | 2% |
| Friday | 87°F | Sunny | 0 to 10 mph W | 1% |
| Friday Night | 68°F | Mostly Clear | 0 to 10 mph NW | 0% |
| Saturday | 89°F | Sunny | 0 to 10 mph W | 2% |
| Saturday Night | 68°F | Mostly Clear | 0 to 10 mph NE | 1% |
| Sunday | 88°F | Sunny | 0 to 10 mph W | 7% |
| Sunday Night | 67°F | Mostly Clear | 0 to 10 mph N | 5% |
| Monday | 85°F | Sunny | 0 to 10 mph SW | 9% |
| Monday Night | 65°F | Mostly Clear | 0 to 10 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jamul, CA
Last spring frost
Feb 12
First fall frost
Dec 24
Growing season
317 days
Hardiness zone
10a
Explore more for Jamul, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Alpine, Ca (13.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.