Fairfield, California Weather:
Wednesday, September 23, 2026
Cloudy Weather
Day 86°
Night 57°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (September 23, 2025)
Cloudy Night

Day

100°

Night

64°

Wind

12 mph

Precipitation

0 %