National Weather Service United States Department of Commerce

San Diego, CA

Weather Forecast Office

NWS Forecast Office San Diego, CA

Weather.gov > San Diego, CA
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Last Map Update: Mon, Jun 22, 2026 at 5:44:23 am PDT

Highs Today
Highs Tuesday
Highs Wednesday
HeatRisk - Wednesday
What is HeatRisk?
Temperatures begin to warm today through mid-week. Moderate to locally major HeatRisk expected Wednesday.
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Temperatures begin to warm across the area today through Wednesday.
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High temperatures peak Wednesday, followed by a cooling trend through the weekend.
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Minor HeatRisk with areas of moderate HeatRisk expected for inland valleys and mountains. Moderate HeatRisk with areas of major HeatRisk expected for the deserts.
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Infographic containing detailed information explaining what HeatRisk means and what factors contribute to it.
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