San Diego County

San Diego weather: A significant and long-lasting heat wave is underway.

NBC 7's team of meteorologists provides the most accurate 10-day forecast in San Diego. Here's what you need to know about today's weather.

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Your July 4th will be sunny and warm at the coast, with hot temperatures inland which will continue to rise into the weekend.

The warm daytime temps will help keep the evening nice and mild for firework viewing.

The EXCESSIVE HEAT WARNING for San Diego's deserts has now been extended until next Wednesday July 10th. Temperatures will range between 112-121 degrees! We could break records. Needless to say, this is dangerous heat!

An EXCESSIVE HEAT WARNING will go into effect for inland valleys and mountains from Friday at 11 am until Saturday night. Temperatures could range between 98-108. We could see some near-record highs there as well. Make sure you take all the proper precautions during this time:

Next week will still be unseasonably hot, continuing the heat wave.

THURSDAY, 4TH OF JULY

  • Coast: sunny - upper 70s
  • Valleys: Sunny - upper 80s to low 90's
  • Mountains: Sunny - upper 80s to low 90s
  • Desert: Sunny and Hot - 110 to 115
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