Mission Viejo, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Mission Viejo, CA.

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Current Conditions — Mission Viejo, CA

FULLERTON (KFUL)

Clear

62.6 F
Humidity:72%
Wind Speed:S 4.6 mph
Barometer:29.93 in
Dewpoint:53.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 11:20 PM PDT
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5-Day Forecast — Mission Viejo, CA

Friday

High 71 °F
Forecast Missing
Friday
Night
Low 55 °F
Forecast Missing
Saturday

High 68 °F
Forecast Missing
Saturday
Night
Low 53 °F
Forecast Missing
Sunday

High 68 °F
Forecast Missing
Sunday
Night
Low 50 °F
Forecast Missing
Monday

High 69 °F
Forecast Missing
Monday
Night
Low 50 °F
Forecast Missing
Tuesday

High 71 °F
Forecast Missing

Detailed Forecast — Mission Viejo, CA

Friday
Forecast Missing. High near 71°F. Wind 6 to 12 mph, with gusts as high as 18 mph.
Friday Night
Forecast Missing. Low around 55°F. Wind 3 to 6 mph, with gusts as high as 10 mph.
Saturday
Forecast Missing. High near 68°F. Wind 7 to 12 mph, with gusts as high as 20 mph.
Saturday Night
Forecast Missing. Low around 53°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Sunday
Forecast Missing. High near 68°F. Wind 7 to 12 mph, with gusts as high as 20 mph.
Sunday Night
Forecast Missing. Low around 50°F. Wind 2 to 5 mph, with gusts as high as 10 mph.
Monday
Forecast Missing. High near 69°F. Wind 5 to 9 mph, with gusts as high as 17 mph.
Monday Night
Forecast Missing. Low around 50°F. Wind 2 to 5 mph, with gusts as high as 9 mph.
Tuesday
Forecast Missing. High near 71°F. Wind 6 to 9 mph, with gusts as high as 17 mph.
Tuesday Night
Forecast Missing. Low around 53°F. Wind 3 to 5 mph, with gusts as high as 10 mph.
Wednesday
Forecast Missing. High near 71°F. Wind 7 to 8 mph, with gusts as high as 17 mph.
Wednesday Night
Forecast Missing. Low around 53°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Thursday
Forecast Missing. High near 73°F. Wind 5 to 7 mph, with gusts as high as 15 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 24, 2026

Observation History — Mission Viejo, CA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
11:20 PM PDT S 4.6 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
11:15 PM PDT 3.4 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
11:10 PM PDT 4.6 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
11:05 PM PDT S 3.4 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
11:00 PM PDT S 4.6 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
10:50 PM PDT 5.7 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
10:45 PM PDT 4.6 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
10:40 PM PDT S 4.6 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
10:30 PM PDT 5.7 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
10:25 PM PDT 3.4 10.00 Clear -- 62.6 51.8 68% NA NA 29.93 1013.5
10:20 PM PDT 4.6 10.00 Clear -- 62.6 51.8 68% NA NA 29.93 1013.5
10:15 PM PDT 4.6 10.00 Clear -- 64.4 50.0 60% NA NA 29.93 1013.5
10:10 PM PDT S 5.7 10.00 Clear -- 64.4 46.4 52% NA NA 29.94 1013.9
10:05 PM PDT S 4.6 10.00 Clear -- 64.4 46.4 52% NA NA 29.93 1013.5
10:00 PM PDT S 3.4 10.00 Clear -- 64.4 46.4 52% NA NA 29.93 1013.5
09:50 PM PDT 0.0 10.00 Clear -- 64.4 46.4 52% NA NA 29.93 1013.5
09:45 PM PDT 0.0 10.00 Clear -- 64.4 46.4 52% NA NA 29.93 1013.5
09:35 PM PDT 0.0 10.00 Clear -- 64.4 46.4 52% NA NA 29.93 1013.5
09:20 PM PDT 0.0 10.00 Clear -- 64.4 46.4 52% NA NA 29.93 1013.5
09:15 PM PDT 0.0 10.00 Clear -- 64.4 46.4 52% NA NA 29.92 1013.2
09:10 PM PDT W 3.4 10.00 Clear -- 64.4 46.4 52% NA NA 29.92 1013.2
09:05 PM PDT 4.6 10.00 Clear -- 64.4 46.4 52% NA NA 29.92 1013.2
09:00 PM PDT 5.7 10.00 Clear -- 64.4 46.4 52% NA NA 29.92 1013.2
08:50 PM PDT 3.4 10.00 Clear -- 64.4 46.4 52% NA NA 29.91 1012.9

Regional Weather Observation

FULLERTON (KFUL)

Clear
62.6 F

COSTA MESA (KSNA)

Clear
62.6 F

CORONA MUNI (KAJO)

Clear
57.2 F

CHINO (KCNO)

Clear
57.2 F

RIVERSIDE (KRAL)

Clear
60.8 F

LOS ALAMITOS AAF (KSLI)

Haze
61.5 F
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