National Weather Service United States Department of Commerce

October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Oct 6, 2026 at 12:24:48 am PDT

There are no watches, warnings, or advisories at this time.

Temperatures will remain mild through Thursday with high temperatures in the 70s to low 80s. These values are around 10 to 15 degrees above normal. Conditions will be remain dry through Thursday, before weather changes arrive Friday into next weekend. A cold front Friday will bring breezy winds, followed by much cooler temperatures for next Saturday and Sunday (October 10th and 11th) with highs in the 50s to low 60s. There will also be a low chance (10-40%) of showers next weekend. With snow levels dropping to 4500-5000 ft this will result in cold backcountry conditions with a small chance for light mountain snow.
Two cold front are expected Friday into the weekend. The first one will arrive on Friday with gusty west winds. Then over the weekend winds will shift out of the northeast. Potential impacts include elevated fire weather conditions, blowing dust, choppy lakes, and loose objects becoming airborne.

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