San Diego, CA

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Last Map Update: Sat, Mar 21, 2026 at 6:48:42 am PDT

Watches, Warnings & Advisories

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National Weather Service NWS Flagstaff, AZ

Extreme Heat Warning

Small Craft Advisory

Extreme Heat Warnings

Winter Warmth

Highs for Today

Highs for Sunday

An Extreme Heat Warning is in effect for the lower deserts until 8 PM Saturday.

Winter 2025-2026 had the highest number of days with high temperatures of 80 degrees or more at San Diego International Airport with 12 total days, beating the previous record of 10 days in Winter 2014-2015. This is more than the last 5 winters combined, which saw a total of 11 days with highs of 80 or more.

High temperatures will be slightly cooler today, though remain significantly above average. Moderate HeatRisk continues in the Inland Empire, and Extreme Heat in the lower deserts through this evening.