Antioch Weather Forecast

    • 28
    • 45

    Sunny

    • 37
    • 58

    Mostly Sunny

    • 50
    • 64

    Mostly Cloudy

    • 49
    • 73

    Partly Sunny

    • 40
    • 63

    Partly Sunny

    • 45
    • 64

    Mostly Sunny

Today 30 Dec Union

Sunny. Highs in the mid 40s. Northwest Winds around 5 Mph.

Tonight 30 Dec Union

Clear, cold with Lows in the upper 20s. Light and variable Winds, becoming southwest around 5 Mph after midnight.

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Antioch Temperature Statistics

December Temperature

Monroe Regional Airport (21.1 miles)

  • Lowest 15 December, 2025

    23 °F

  • Average December

    51.8 °F

  • Highest 26 December, 2025

    80.1 °F

Climate (2020–Present)

Monroe Regional Airport (21.1 miles)

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  • Average Low 2020–2025

    57.6 °F

  • Average 2020–2025

    67.8 °F

  • Average High 2020–2025

    78.8 °F
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