Harman US

Seal Beach, CA Weather & Growing Conditions

Tonight
64°F
Mostly Cloudy then Patchy Fog
Patchy fog after 5am. Mostly cloudy, with a low around 64. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 64°F Mostly Cloudy then Patchy Fog 5 mph S 1%
Saturday 79°F Patchy Fog then Mostly Sunny 5 to 10 mph S 1%
Saturday Night 65°F Patchy Fog 5 to 10 mph SW 1%
Sunday 77°F Patchy Fog then Partly Sunny 5 to 15 mph SW 0%
Sunday Night 65°F Patchy Fog 5 to 10 mph S 1%
Monday 76°F Patchy Fog then Mostly Sunny 5 to 15 mph S 0%
Monday Night 66°F Partly Cloudy 5 to 15 mph SW 2%
Tuesday 72°F Mostly Sunny 5 to 15 mph SW 0%
Tuesday Night 67°F Mostly Clear 0 to 15 mph W 0%
Wednesday 76°F Sunny 0 to 15 mph W 0%
Wednesday Night 68°F Mostly Clear 0 to 15 mph SW 2%
Thursday 77°F Mostly Sunny 0 to 15 mph SW 2%
Thursday Night 69°F Partly Cloudy 5 to 15 mph SW 0%
Friday 78°F Mostly Sunny 5 to 15 mph W 2%

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

Growing snapshot for Seal Beach, CA

Growing season
365 days
Hardiness zone
10b

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

Climate data from the nearest NOAA station, Long Beach Daugherty Fld, Ca (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.