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
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. South wind around 0 mph.
7-day forecast for San Juan Capistrano
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Cloudy | 0 mph | 0% |
| Tuesday | 80°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Tuesday Night | 66°F | Mostly Cloudy | 0 to 5 mph SW | 0% |
| Wednesday | 80°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Wednesday Night | 67°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Thursday | 82°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Friday | 82°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Friday Night | 67°F | Partly Cloudy | 0 to 10 mph S | 0% |
| Saturday | 80°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 68°F | Partly Cloudy | 0 to 10 mph S | 0% |
| Sunday | 80°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Sunday Night | 67°F | Partly Cloudy | 5 to 10 mph S | 2% |
| Monday | 79°F | Mostly Sunny | 5 to 10 mph S | 2% |
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 Aug 4, 2026.