Antioch Weather Forecast
- 74
- 96
Slight Chance Thunderstorms
- 74
- 96
Slight Chance Thunderstorms
- 75
- 99
Hot
- 73
- 100
Hot
- 74
- 98
Hot
- 73
- 96
Mostly Sunny
- 73
- 96
Mostly Sunny
Today 4 Sep Union
Partly cloudy with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. East Winds around 5 Mph. Chance of rain 20 percent.
Tonight 4 Sep Union
Partly cloudy. Lows in the mid 70s. Southeast Winds around 5 Mph this Evening, becoming light and variable.
Antioch Temperature Statistics
September Temperature
Monroe Regional Airport (21.1 miles)
Lowest 1 September, 2026
74.6 °FAverage September
84.3 °FHighest 1 September, 2026
95.6 °F
Climate (2021–2026)
Monroe Regional Airport (21.1 miles)
Average Low 2021–2026
58.1 °FAverage 2021–2026
68.6 °FAverage High 2021–2026
79.7 °F