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.

Today

72°F

Mostly Sunny

Mostly sunny, with a high near 72. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

7-day forecast for Imperial Beach

When	Temp	Forecast	Wind	Precip
Today	72°F	Mostly Sunny	5 to 15 mph NW	6%
Tonight	62°F	Mostly Cloudy	5 to 15 mph NW	7%
Wednesday	72°F	Mostly Sunny	5 to 10 mph N	5%
Wednesday Night	59°F	Mostly Clear	0 to 5 mph NE	0%
Thursday	74°F	Sunny	0 to 10 mph W	0%
Thursday Night	60°F	Partly Cloudy	5 mph N	0%
Friday	78°F	Sunny	5 to 10 mph N	0%
Friday Night	62°F	Mostly Clear	5 to 10 mph NE	0%
Saturday	82°F	Sunny	5 to 10 mph NE	0%
Saturday Night	64°F	Mostly Clear	5 to 10 mph NE	0%
Sunday	83°F	Mostly Sunny	5 to 10 mph NE	0%
Sunday Night	66°F	Partly Cloudy	5 mph NE	0%
Monday	80°F	Mostly Sunny	0 to 5 mph S	0%
Monday Night	64°F	Partly Cloudy	5 mph N	0%

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 Nov 3, 2026.