San Diego

San Diego Sizzles: Inland Heat Soars Past 110 as Coast Basks in 80-Degree Sunshine

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Published on August 03, 2026
San Diego Sizzles: Inland Heat Soars Past 110 as Coast Basks in 80-Degree SunshineSource: Rctckc, Public domain, via Wikimedia Commons

San Diego woke to cloudy skies and temperatures around 72 degrees early today, but the marine layer should give way to a mostly sunny afternoon. The city is headed for a high near 80 degrees, with no rain expected.

Morning Clouds Give Way To A Comfortable Afternoon

Low clouds may linger along the coast and into far western valleys before clearing later in the morning. West winds will stay light at 0 to 10 mph, with the strongest breezes arriving during the afternoon.

Tonight will turn mostly cloudy again, with a low around 69 degrees and west winds of 0 to 5 mph. Tomorrow should bring another mostly sunny day near 80 degrees, followed by a partly cloudy night around 68 degrees, according to NWS San Diego.

Inland Heat Remains The Bigger Story

Conditions will be far more intense away from the coast. Inland communities could reach the mid-90s to 105 degrees today, while lower desert areas may climb to 112 to 116 degrees.

The National Weather Service has issued extreme heat warnings for several inland valleys, mountains and desert areas, with some warnings continuing through tomorrow or Wednesday. San Diego County mountains could also see a slight chance of afternoon showers or thunderstorms later in the week, although measurable rain chances are expected to remain below 15 percent.

Mostly Sunny Weather Holds Through Sunday

Wednesday through next Sunday will remain mostly sunny during the day, with highs near 80 to 81 degrees in San Diego and overnight lows generally between 68 and 70 degrees. Partly cloudy skies are expected most nights, with light winds keeping conditions relatively calm.

For city residents, the forecast favors beach walks, outdoor dining and evening plans once the morning clouds clear. Anyone heading inland should plan strenuous activities for earlier or later in the day, carry water and take the heat warnings seriously.