Imperial Beach, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Imperial Beach, a city in San Diego County, California.

Tonight

65°F

Mostly Cloudy

Mostly cloudy, with a low around 65. North wind 5 to 10 mph.

7-day forecast for Imperial Beach

When	Temp	Forecast	Wind	Precip
Tonight	65°F	Mostly Cloudy	5 to 10 mph N	2%
Saturday	73°F	Mostly Sunny	5 to 10 mph N	1%
Saturday Night	65°F	Mostly Cloudy	0 to 5 mph N	1%
Sunday	73°F	Mostly Cloudy	0 to 10 mph NW	0%
Sunday Night	67°F	Mostly Cloudy	0 to 5 mph W	2%
Monday	72°F	Partly Sunny	0 to 10 mph SW	2%
Monday Night	66°F	Partly Cloudy	5 to 10 mph NW	1%
Tuesday	73°F	Mostly Sunny	5 to 15 mph NW	0%
Tuesday Night	67°F	Partly Cloudy	5 to 10 mph NW	0%
Wednesday	75°F	Mostly Sunny	5 to 10 mph NW	2%
Wednesday Night	68°F	Partly Cloudy	0 to 10 mph NW	3%
Thursday	76°F	Mostly Sunny	0 to 10 mph W	2%
Thursday Night	70°F	Partly Cloudy	5 mph NW	1%
Friday	78°F	Mostly Sunny	5 to 10 mph NW	3%

Forecast source: National Weather Service (api.weather.gov) for Imperial Beach (32.569, -117.115). Updated through the day.

Growing snapshot for Imperial Beach

Growing season

365 days

Hardiness zone

10b

More local growing data for Imperial Beach: nearby ZIP 91932 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Imperial Beach Ream Fld Nas, Ca (0.2 mi from Imperial Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.