Rancho Mission Viejo, CA Weather & Growing Conditions
Overnight
64°F
Mostly Clear
Mostly clear, with a low around 64. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Mostly Clear | 5 mph SE | 0% |
| Tuesday | 86°F | Sunny | 0 to 10 mph SW | 1% |
| Tuesday Night | 64°F | Mostly Clear then Patchy Fog | 0 to 10 mph W | 1% |
| Wednesday | 86°F | Patchy Fog then Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 87°F | Sunny | 0 to 10 mph S | 0% |
| Thursday Night | 66°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Friday | 89°F | Sunny | 0 to 10 mph S | 0% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 0% |
| Saturday | 89°F | Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 66°F | Mostly Clear | 0 to 5 mph S | 0% |
| Sunday | 88°F | Sunny | 0 to 10 mph S | 0% |
| Sunday Night | 65°F | Mostly Clear | 5 mph S | 1% |
| Monday | 87°F | Sunny | 5 to 10 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rancho Mission Viejo, CA
Last spring frost
Feb 16
First fall frost
Dec 8
Growing season
298 days
Hardiness zone
10b
Explore more for Rancho Mission Viejo, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Camp Pendleton Mcas, Ca (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.