Antioch Weather Forecast

    • 75
    • 99

    Hot

    • 73
    • 99

    Hot

    • 71
    • 96

    Hot

    • 67
    • 94

    Mostly Sunny

    • 66
    • 92

    Partly Sunny

    • 67
    • 92

    Partly Sunny

Today 20 Sep Union

Mostly sunny. Hot with Highs in the upper 90s. Southwest Winds around 5 Mph.

Tonight 20 Sep Union

Partly cloudy. Lows in the mid 70s. South Winds around 5 Mph.

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Antioch Temperature Statistics

September Temperature

Monroe Regional Airport (21.1 miles)

  • Lowest 17 September, 2026

    72 °F

  • Average September

    86.6 °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

    68.7 °F

  • Average High 2021–2026

    79.8 °F
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