Antioch Weather Forecast

    • 68
    • 93

    Mostly Sunny

    • 67
    • 92

    Chance Thunderstorms

    • 70
    • 94

    Partly Sunny

    • 69
    • 93

    Partly Sunny

    • 69
    • 91

    Chance Rain Showers

    • 68
    • 88

    Chance Rain Showers

    • 64
    • 86

    Chance Rain Showers

Today 18 Sep Union

Patchy fog this morning. Sunny this Morning, then partly cloudy with a slight chance of Showers this afternoon. Highs in the lower 90s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Union

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 60s. South Winds around 5 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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Antioch Temperature Statistics

September Temperature

Monroe Regional Airport (21.1 miles)

  • Lowest 9 September, 2025

    57.9 °F

  • Average September

    78.8 °F

  • Highest 13 September, 2025

    98.1 °F

Climate (2020–Present)

Monroe Regional Airport (21.1 miles)

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  • Average Low 2020–2025

    57.3 °F

  • Average 2020–2025

    67.5 °F

  • Average High 2020–2025

    78.6 °F
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