National Weather Service Forecast for: Mission Viejo CA
Issued by: National Weather Service San Diego, CA
Updated: 1:04 am PST Feb 2, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 53. Calm wind.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 52. Calm wind.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 56. North wind around 5 mph becoming calm.
Clear
 Wednesday

Wednesday: Sunny, with a high near 86.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 59.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 80.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 56.
Mostly Cloudy
Lo 53 °F Hi 73 °F Lo 52 °F Hi 79 °F Lo 56 °F Hi 86 °F Lo 59 °F Hi 80 °F Lo 56 °F

Air Quality Alert
 

Overnight
 
 Partly cloudy, with a low around 53. Calm wind.
Monday
 
 Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 52. Calm wind.
Tuesday
 
 Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
 
 Clear, with a low around 56. North wind around 5 mph becoming calm.
Wednesday
 
 Sunny, with a high near 86.
Wednesday Night
 
 Mostly clear, with a low around 59.
Thursday
 
 Mostly sunny, with a high near 80.
Thursday Night
 
 Mostly cloudy, with a low around 56.
Friday
 
 Partly sunny, with a high near 73.
Friday Night
 
 Partly cloudy, with a low around 54.
Saturday
 
 Sunny, with a high near 74.
Saturday Night
 
 Mostly clear, with a low around 53.
Sunday
 
 Sunny, with a high near 76.

 

Forecast from NOAA-NWS for Mission Viejo CA.