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Seal Beach, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Seal Beach, a city in Orange County, California.

Tonight
57°F
Mostly Clear
Mostly clear, with a low around 57. Northwest wind 0 to 5 mph.

7-day forecast for Seal Beach

WhenTempForecastWindPrecip
Tonight 57°F Mostly Clear 0 to 5 mph NW 0%
Wednesday 75°F Sunny 0 to 10 mph W 0%
Wednesday Night 59°F Mostly Clear 0 to 5 mph N 0%
Thursday 79°F Sunny 0 to 10 mph W 0%
Thursday Night 60°F Mostly Clear 5 mph NW 0%
Friday 83°F Sunny 0 to 10 mph NW 0%
Friday Night 63°F Clear 5 to 10 mph N 0%
Saturday 86°F Sunny 5 to 10 mph NW 0%
Saturday Night 65°F Mostly Clear 5 to 10 mph N 0%
Sunday 85°F Sunny 0 to 5 mph NW 0%
Sunday Night 66°F Partly Cloudy 0 to 5 mph N 0%
Monday 82°F Mostly Sunny 0 to 5 mph SE 0%
Monday Night 63°F Partly Cloudy 0 to 5 mph SE 1%
Tuesday 80°F Mostly Sunny 0 to 10 mph SW 2%

Forecast source: National Weather Service (api.weather.gov) for Seal Beach (33.754, -118.071). Updated through the day.

Growing snapshot for Seal Beach

Growing season
365 days
Hardiness zone
10a

More local growing data for Seal Beach: nearby ZIP 90740 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Long Beach Daugherty Fld, Ca (5.8 mi from Seal Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.