San Francisco, California Weather:
Saturday, July 18, 2026
Cloudy Weather
Day 63°
Night 55°
Precipitation 3 %
Wind 13 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (July 18, 2025)
Cloudy Weather

Day

66°

Night

55°

Wind

12 mph

UV Index

10

Precipitation

1 %