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Extreme Cold Watch, California

Severe

Very cold conditions with temperatures in the low to mid 30s possible except for Interior Monterey and San Benito Counties where temperatures in the upper 20s are possible. Cold conditions will be hazardous to sensitive populations such as unhoused individuals.

Ended Friday, January 9, 2026.

Replaced by the Cold Weather Advisory on Wednesday, January 7, 11:54 at night.

Replaced by the Extreme Cold Warning on Wednesday, January 7, 11:54 at night.

Issued
Expires
Updated

Places in this watch

Map

Map of California with this watch The Extreme Cold Watch covers San Jose, Oakland, Fremont. I-80I-505I-780San JoseOaklandFremontSanta RosaSalinasNEVADACALIFORNIA50 mi I-80I-505San JoseOaklandSanta RosaNEVADACALIFORNIA50 mi I-80I-505San JoseOaklandNEVADACALIFORNIA100 mi I-80I-5San JoseOaklandNEVADACALIFORNIA100 mi
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Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What
Very cold conditions with temperatures in the low to mid 30s possible except for Interior Monterey and San Benito Counties where temperatures in the upper 20s are possible.
Where
The East Bay and San Francisco Bay Shoreline, The Central Coast, The Santa Clara Valley and Eastern Hills, The Salinas and Carmel Valleys and Hollister Area, The Marin Hills, The Santa Cruz Mountains, and North Bay Interior Valleys.
When
From late Thursday night through Friday morning.
Impacts
Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock.

Updates

  1. Cancelled by the National Weather Service. January 7, 2026
  2. Reissued with no change to the times or amounts. January 7, 2026
  3. Reissued with no change to the times or amounts. January 7, 2026
  4. Extreme Cold Watch issued for Friday overnight through Friday morning. January 7, 2026