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San Juan Capistrano, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for San Juan Capistrano, a city in Orange County, California.

Overnight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. Northeast wind around 0 mph.

7-day forecast for San Juan Capistrano

WhenTempForecastWindPrecip
Overnight 63°F Partly Cloudy 0 mph 2%
Saturday 77°F Mostly Sunny 0 to 10 mph SE 2%
Saturday Night 64°F Partly Cloudy 0 to 5 mph E 1%
Sunday 76°F Partly Sunny 0 to 10 mph SE 1%
Sunday Night 64°F Mostly Cloudy 0 to 5 mph S 1%
Monday 74°F Mostly Sunny 5 to 10 mph S 1%
Monday Night 64°F Mostly Cloudy 0 to 5 mph S 2%
Tuesday 76°F Mostly Sunny 0 to 10 mph SW 2%
Tuesday Night 64°F Mostly Clear 0 to 10 mph NW 0%
Wednesday 78°F Sunny 0 to 10 mph NW 0%
Wednesday Night 65°F Partly Cloudy 0 to 10 mph W 1%
Thursday 80°F Mostly Sunny 0 to 10 mph W 3%
Thursday Night 66°F Partly Cloudy 0 to 10 mph W 3%
Friday 81°F Sunny 0 to 10 mph SW 3%

Forecast source: National Weather Service (api.weather.gov) for San Juan Capistrano (33.501, -117.654). Updated through the day.

Growing snapshot for San Juan Capistrano

Last spring frost
Jan 6
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10b

More local growing data for San Juan Capistrano: nearby ZIP 92675 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Laguna Beach, Ca (8 mi from San Juan Capistrano). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.