San Clemente, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for San Clemente, CA.

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Current Conditions — San Clemente, CA

COSTA MESA (KSNA)

Clear

62.6 F
Humidity:77%
Wind Speed:S 6.9 mph
Barometer:29.95 in
Dewpoint:55.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 10:10 PM PDT
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5-Day Forecast — San Clemente, CA

Friday

High 68 °F
Forecast Missing
Friday
Night
Low 57 °F
Forecast Missing
Saturday

High 64 °F
Forecast Missing
Saturday
Night
Low 55 °F
Forecast Missing
Sunday

High 64 °F
Forecast Missing
Sunday
Night
Low 53 °F
Forecast Missing
Monday

High 66 °F
Forecast Missing
Monday
Night
Low 53 °F
Forecast Missing
Tuesday

High 68 °F
Forecast Missing

Detailed Forecast — San Clemente, CA

Friday
Forecast Missing. High near 68°F. Wind 6 to 13 mph, with gusts as high as 21 mph.
Friday Night
Forecast Missing. Low around 57°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Saturday
Forecast Missing. High near 64°F. Wind 9 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Forecast Missing. Low around 55°F. Wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday
Forecast Missing. High near 64°F. Wind 8 to 12 mph, with gusts as high as 20 mph.
Sunday Night
Forecast Missing. Low around 53°F. Wind around 6 mph, with gusts as high as 10 mph.
Monday
Forecast Missing. High near 66°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Monday Night
Forecast Missing. Low around 53°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Tuesday
Forecast Missing. High near 68°F. Wind 6 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Forecast Missing. Low around 55°F. Wind around 6 mph, with gusts as high as 10 mph.
Wednesday
Forecast Missing. High near 68°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Forecast Missing. Low around 55°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Thursday
Forecast Missing. High near 68°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 24, 2026

Observation History — San Clemente, 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)
10:10 PM PDT S 6.9 10.00 Clear -- 62.6 55.4 77% NA NA 29.95 1014.2
10:05 PM PDT S 4.6 10.00 Clear -- 62.6 55.4 77% NA NA 29.95 1014.2
10:00 PM PDT S 5.7 10.00 Clear -- 62.6 55.4 77% NA NA 29.95 1014.2
09:50 PM PDT S 5.7 10.00 NULL -- 62.6 55.4 77% NA NA 29.94 1013.9
09:35 PM PDT SW 4.6 10.00 NULL -- 64.4 55.4 73% NA NA 29.94 1013.9
09:30 PM PDT SW 4.6 10.00 NULL -- 64.4 55.4 73% NA NA 29.94 1013.9
09:20 PM PDT SW 4.6 10.00 NULL -- 64.4 53.6 68% NA NA 29.94 1013.9
09:15 PM PDT 4.6 10.00 NULL -- 64.4 53.6 68% NA NA 29.94 1013.9
09:10 PM PDT 4.6 10.00 NULL -- 64.4 53.6 68% NA NA 29.93 1013.5
09:05 PM PDT 4.6 10.00 NULL -- 64.4 53.6 68% NA NA 29.93 1013.5
09:00 PM PDT 4.6 10.00 NULL -- 64.4 53.6 68% NA NA 29.93 1013.5
08:50 PM PDT 4.6 10.00 NULL -- 64.4 53.6 68% NA NA 29.92 1013.2
08:45 PM PDT 5.7 10.00 NULL -- 64.4 53.6 68% NA NA 29.92 1013.2
08:35 PM PDT SW 5.7 10.00 NULL -- 64.4 53.6 68% NA NA 29.92 1013.2
08:30 PM PDT SW 4.6 10.00 Clear -- 64.4 53.6 68% NA NA 29.92 1013.2
08:20 PM PDT SW 5.7 10.00 Clear -- 64.4 53.6 68% NA NA 29.91 1012.9
08:15 PM PDT 5.7 10.00 Clear -- 64.4 51.8 64% NA NA 29.91 1012.9
08:10 PM PDT SW 5.7 10.00 Clear -- 64.4 51.8 64% NA NA 29.91 1012.9
08:05 PM PDT 4.6 10.00 Clear -- 64.4 51.8 64% NA NA 29.91 1012.9
08:00 PM PDT SW 5.7 10.00 Clear -- 64.4 51.8 64% NA NA 29.91 1012.9
07:50 PM PDT 3.4 10.00 NULL -- 64.4 51.8 64% NA NA 29.91 1012.9
07:40 PM PDT 4.6 10.00 Clear -- 66.2 51.8 60% NA NA 29.91 1012.9
07:35 PM PDT 5.7 10.00 Clear -- 66.2 51.8 60% NA NA 29.91 1012.9
07:30 PM PDT SW 5.7 10.00 Clear -- 66.2 51.8 60% NA NA 29.90 1012.5

Regional Weather Observation

COSTA MESA (KSNA)

Clear
62.6 F

FULLERTON (KFUL)

Clear
64.4 F

CORONA MUNI (KAJO)

Clear
62.6 F

CHINO (KCNO)

Clear
60.8 F

RIVERSIDE (KRAL)

Clear
62.6 F

RIVERSIDE/MARCH (KRIV)

Clear
61.7 F
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