Cullom Weather Forecast

    • 20
    • 43

    Becoming Sunny

    • 19
    • 31

    Mostly Sunny

    • 36
    • 43

    Mostly Cloudy

    • 30
    • 49

    Mostly Cloudy

    • 50
    • 50

    Slight Chance Rain

    • 41
    • 62

    Partly Sunny

Today 20 Dec Livingston

Mostly cloudy. Breezy. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. Southwest Winds 15 to 20 Mph, becoming west 10 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 20 Dec Livingston

Partly cloudy in the Evening, then becoming clear. Lows around 20. Northwest Winds around 10 Mph.

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Cullom Temperature Statistics

December Temperature

Pontiac Municipal Airport (18.6 miles)

  • Lowest 14 December, 2025

    -11 °F

  • Average December

    22.2 °F

  • Highest 18 December, 2025

    51.3 °F

Climate (2020–Present)

Pontiac Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62 °F
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