San Leandro, California Weather:
Active Weather Warnings
Friday, January 9, 2026
Cloudy Weather
Day 57°
Night 36°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 3

Weather Alerts and Warnings for

Extreme Future Likely

Extreme Cold Watch

Extreme Cold Watch issued January 7 at 7:34PM PST until January 9 at 9:00AM PST by NWS San Francisco CA
Jan 9, 1:00 AM Jan 9, 9:00 AM
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.
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Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. Be sure to dress in layers if outdoors. Make sure that pets and livestock have adequate food, unfrozen water, and warmth. Cover or tend to sensitive crops, plants, and vegetation.
Updated: Jan 7, 11:36 PM Source: NWS Alert