Antioch Weather Forecast

    • 73
    • 95

    Chance Thunderstorms

    • 73
    • 95

    Chance Thunderstorms

    • 73
    • 95

    Mostly Sunny

    • 72
    • 96

    Mostly Sunny

    • 73
    • 97

    Hot

    • 72
    • 97

    Slight Chance Thunderstorms

Today 11 Sep Union

Mostly sunny with a slight chance of Showers and Thunderstorms in the Morning, then mostly cloudy with a chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the mid 90s. Light and variable Winds, becoming south around 5 Mph in the afternoon. Chance of rain 40 percent.

Tonight 11 Sep Union

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the lower 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Real-Time

Antioch Temperature Statistics

September Temperature

Monroe Regional Airport (21.1 miles)

  • Lowest 4 September, 2026

    73.7 °F

  • Average September

    86.2 °F

  • Highest 6 September, 2026

    101.6 °F

Climate (2021–2026)

Monroe Regional Airport (21.1 miles)

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  • Average Low 2021–2026

    58.1 °F

  • Average 2021–2026

    68.6 °F

  • Average High 2021–2026

    79.7 °F
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