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San Francisco, California Weather:
Saturday, January 31, 2026
Cloudy Weather
Day 61°
Night 46°
Precipitation 25 %
Wind 7 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 31, 2025)
Rainy Weather

Day

55°

Night

54°

Wind

8 mph

UV Index

1

Precipitation

98 %