Decatur Weather Forecast

    • 44
    • 62

    Decreasing Clouds

    • 52
    • 66

    Partly Sunny

    • 35
    • 64

    Mostly Sunny

    • 48
    • 61

    Sunny

    • 47
    • 78

    Sunny

    • 46
    • 69

    Mostly Sunny

Today 16 Dec Wise

Cloudy in the Morning, then becoming partly sunny. Not as cool with Highs in the lower 60s. South Winds 5 to 10 Mph.

Tonight 16 Dec Wise

Mostly clear. Lows in the mid 40s. South Winds 5 to 10 Mph.

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Decatur Temperature Statistics

December Temperature

Decatur, Decatur Municipal Airport (1.2 miles)

  • Lowest 2 December, 2025

    26.1 °F

  • Average December

    45.8 °F

  • Highest 12 December, 2025

    69.4 °F

Climate (2020–Present)

Decatur, Decatur Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    77 °F
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