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

73°F

Partly Sunny

Partly sunny, with a high near 73. Southwest wind 0 to 10 mph.

7-day forecast for Imperial Beach

When	Temp	Forecast	Wind	Precip
Today	73°F	Partly Sunny	0 to 10 mph SW	1%
Tonight	69°F	Mostly Cloudy	0 to 5 mph SW	1%
Wednesday	74°F	Partly Sunny	5 to 10 mph SW	1%
Wednesday Night	69°F	Mostly Cloudy	0 to 5 mph W	0%
Thursday	74°F	Partly Sunny	0 to 10 mph W	0%
Thursday Night	70°F	Mostly Cloudy	0 to 5 mph W	0%
Friday	75°F	Partly Sunny	0 to 10 mph W	0%
Friday Night	70°F	Mostly Cloudy	0 to 10 mph W	0%
Saturday	76°F	Mostly Sunny	0 to 10 mph W	0%
Saturday Night	70°F	Partly Cloudy	0 to 10 mph SW	0%
Sunday	76°F	Partly Sunny	0 to 10 mph SW	1%
Sunday Night	70°F	Mostly Cloudy	5 to 10 mph S	3%
Monday	75°F	Partly Sunny	5 to 10 mph SW	6%
Monday Night	69°F	Mostly Cloudy	0 to 10 mph SW	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 Aug 4, 2026.