Antioch, California Weather:
Wednesday, September 23, 2026
Sunny Weather
Day 91°
Night 57°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (September 23, 2025)
Cloudy Night

Day

97°

Night

70°

Wind

8 mph

Precipitation

1 %