San Francisco, California Weather:
Saturday, March 21, 2026
Cloudy Weather
Day 57°
Night 45°
Precipitation 25 %
Wind 2 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (March 21, 2025)
Cloudy Weather

Day

61°

Night

48°

Wind

11 mph

UV Index

5

Precipitation

2 %