Harman US

Jacumba, CA Weather & Growing Conditions

Today
98°F
Sunny
Sunny, with a high near 98. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 98°F Sunny 10 to 15 mph SW 3%
Tonight 72°F Mostly Clear 0 to 15 mph SW 2%
Wednesday 96°F Sunny 0 to 15 mph NW 7%
Wednesday Night 72°F Mostly Clear 0 to 15 mph SW 3%
Thursday 97°F Sunny 0 to 10 mph NE 7%
Thursday Night 73°F Mostly Clear 5 to 10 mph SW 4%
Friday 97°F Sunny 5 to 10 mph W 5%
Friday Night 73°F Mostly Clear 5 to 10 mph SW 1%
Saturday 100°F Sunny 5 to 10 mph SW 6%
Saturday Night 74°F Mostly Clear 5 to 10 mph SW 1%
Sunday 98°F Slight Chance Showers And Thunderstorms 5 to 10 mph SW 16%
Sunday Night 72°F Mostly Clear 5 to 10 mph SW 6%
Monday 95°F Slight Chance Showers And Thunderstorms 5 to 15 mph SW 20%
Monday Night 69°F Mostly Clear 5 to 15 mph SW 7%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Jacumba, CA

Last spring frost
Apr 29
First fall frost
Nov 1
Growing season
184 days
Hardiness zone
9b

Explore more for Jacumba, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Campo Asos, Ca (18.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.