Seal Beach, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seal Beach, a city in Orange County, California.
This Afternoon
75°F
Sunny
Sunny, with a high near 75. Southwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Seal Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 10 mph SW | 0% |
| Tonight | 65°F | Partly Cloudy | 0 to 10 mph S | 1% |
| Saturday | 77°F | Sunny | 0 to 10 mph S | 1% |
| Saturday Night | 67°F | Mostly Cloudy | 0 to 10 mph SW | 1% |
| Sunday | 75°F | Partly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 66°F | Mostly Cloudy | 0 to 10 mph S | 1% |
| Monday | 74°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Monday Night | 66°F | Partly Cloudy | 0 to 10 mph SW | 1% |
| Tuesday | 76°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Tuesday Night | 66°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 80°F | Sunny | 0 to 10 mph W | 0% |
| Wednesday Night | 68°F | Mostly Clear | 0 to 10 mph SW | 2% |
| Thursday | 81°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Thursday Night | 69°F | Partly Cloudy | 5 to 10 mph SW | 0% |
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 Sep 18, 2026.