San Juan Capistrano, CA Weather & Growing Conditions
Today
80°F
Mostly Sunny
Mostly sunny, with a high near 80. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Tonight | 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% |
| Monday Night | 66°F | Partly Cloudy | 5 to 10 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Juan Capistrano, CA
Last spring frost
Jan 6
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10b
Explore more for San Juan Capistrano, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Laguna Beach, Ca (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.