Antioch, California Weather:
Friday, September 11, 2026
Sunny Weather
Day 88°
Night 59°
Precipitation 20 %
Wind 4 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 11, 2025)
Cloudy Night

Day

79°

Night

59°

Wind

8 mph

Precipitation

2 %