Extreme Heat Warning

* WHAT...Dangerously hot conditions with high temperatures of 105 to 110 expected.

* WHERE...San Diego County Deserts.

* WHEN...From 10 AM Wednesday to 8 PM PDT Saturday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* ADDITIONAL DETAILS...Overnight low temperatures will fall to the low to mid-70s reducing overnight relief from the heat.

Saturday, Mar 21, 8:00 PM PDT
Clear
66°
Feels 66°
 87%
Dewpt 62°
 n
0 - 3 mph
Friday, Mar 20
Clear conditions throughout the day with late afternoon rain.
61 84 61 - 84
Saturday, Mar 21
Partly cloudy throughout the day.
61 76 61 - 76
Sunday, Mar 22
Partly cloudy throughout the day.
59 73 59 - 73
Monday, Mar 23
Partly cloudy throughout the day.
59 73 59 - 73
Tuesday, Mar 24
Partly cloudy throughout the day.
61 74 61 - 74
Wednesday, Mar 25
Partly cloudy throughout the day.
61 76 61 - 76
Thursday, Mar 26
Partly cloudy throughout the day.
61 76 61 - 76
Friday, Mar 27
Partly cloudy throughout the day.
61 76 61 - 76
Saturday, Mar 28
Partly cloudy throughout the day.
61 75 61 - 75
Sunday, Mar 29
Clearing in the afternoon.
63 67 63 - 67
Monday, Mar 30
Partly cloudy throughout the day.
62 66 62 - 66
Tuesday, Mar 31
Partly cloudy throughout the day.
62 66 62 - 66
Wednesday, Apr 1
Clear conditions throughout the day.
63 68 63 - 68
Thursday, Apr 2
Clear conditions throughout the day.
62 65 62 - 65
Friday, Apr 3
Clear conditions throughout the day.
60 65 60 - 65
Weather forecast for San Diego, CA on Sat, 21 Mar 2026 06:39:43 GMT