San Francisco, California Weather:
Active Weather Warnings
Wednesday, December 31, 2025
Rainy Weather
Day 54°
Night 45°
Precipitation 90 %
Wind 8 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (December 31, 2024)
Cloudy Weather

Day

59°

Night

45°

Wind

4 mph

UV Index

2

Precipitation

0 %

Weather Alerts and Warnings for

Minor Expected Likely

Coastal Flood Advisory

Coastal Flood Advisory issued December 29 at 1:13PM PST until January 4 at 2:00PM PST by NWS San Francisco CA
Dec 31, 5:00 AM Jan 4, 2:00 PM
WHAT: Up to 1.8 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal waterways.

WHERE: San Francisco Bay and San Pablo Bay shoreline, Monterey
Bay shoreline, and the Pacific Coast.

WHEN: From 5 AM Wednesday to 2 PM PST Sunday.

IMPACTS: Flooding of lots, parks, and roads with only
isolated road closures expected.

ADDITIONAL DETAILS: At the San Francisco tidal gauge, high tide
is expected to be:
1.5 ft above normal (7.36 ft MLLW) at 7:51 AM Wednesday 12/31
1.7 ft above normal (7.55 ft MLLW) at 8:41 AM Thursday 1/1
1.8 ft above normal (7.66 ft MLLW) at 9:34 AM Friday 1/2
1.8 ft above normal (7.63 ft MLLW) at 10:26 AM Saturday 1/3
1.6 ft above normal (7.42 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include 0.5 feet of storm surge that will
enhance the astronomical tide and flooding threat. High tide
varies up to 90 minutes earlier or later along the Pacific
Coast and through the San Francisco Bay, respectively.
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If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Updated: Dec 29, 11:18 PM Source: NWS Alert