Fairfield, California Weather:
Friday, August 21, 2026
Sunny Weather
Day 90°
Night 59°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (August 21, 2025)
Cloudy Night

Day

100°

Night

59°

Wind

10 mph

Precipitation

0 %