Jamul, CA Weather & Growing Conditions
Today
76°F
Sunny
Sunny, with a high near 76. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 5 to 10 mph W | 0% |
| Tonight | 59°F | Mostly Clear then Patchy Fog | 0 to 5 mph NE | 0% |
| Sunday | 74°F | Patchy Fog then Mostly Sunny | 0 to 10 mph W | 0% |
| Sunday Night | 59°F | Patchy Fog | 0 to 5 mph E | 5% |
| Monday | 71°F | Patchy Fog then Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 56°F | Patchy Fog | 0 to 10 mph NW | 0% |
| Tuesday | 73°F | Patchy Fog then Sunny | 5 to 10 mph N | 0% |
| Tuesday Night | 59°F | Mostly Clear | 5 to 10 mph N | 0% |
| Wednesday | 79°F | Sunny | 5 to 10 mph N | 0% |
| Wednesday Night | 63°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 81°F | Sunny | 5 to 10 mph W | 6% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph NW | 6% |
| Friday | 81°F | Sunny | 5 to 10 mph W | 4% |
| Friday Night | 67°F | Mostly Clear | 5 mph N | 1% |
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 (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.