Antioch Weather Forecast
- 74
- 99
Slight Chance Thunderstorms
- 75
- 98
Hot
- 73
- 98
Hot
- 70
- 98
Hot
- 72
- 98
Hot
- 72
- 98
Hot
Today 14 Sep Union
Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the upper 90s. Light and variable Winds, becoming south around 5 Mph in the afternoon. Chance of rain 20 percent. Heat index Values up to 105 in the afternoon.
Tonight 14 Sep Union
Mostly clear. Lows in the mid 70s. South Winds around 5 Mph in the Evening, becoming light and variable.
Antioch Temperature Statistics
September Temperature
Monroe Regional Airport (21.1 miles)
Lowest 10 September, 2026
72.6 °FAverage September
86.2 °FHighest 6 September, 2026
101.6 °F
Climate (2021–2026)
Monroe Regional Airport (21.1 miles)
Average Low 2021–2026
58.1 °FAverage 2021–2026
68.7 °FAverage High 2021–2026
79.7 °F