San Francisco, California Weather:
Wednesday, March 18, 2026
Sunny Weather
Day 59°
Night 46°
Precipitation 5 %
Wind 15 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Cloudy Weather

Day

61°

Night

43°

Wind

12 mph

UV Index

5

Precipitation

2 %