Decatur Weather Forecast

    • 51
    • 78

    Becoming Sunny

    • 56
    • 91

    Sunny

    • 58
    • 92

    Sunny

    • 64
    • 94

    Sunny

    • 58
    • 95

    Mostly Sunny

    • 52
    • 81

    Partly Sunny

Today 18 Mar Wise

Sunny. Not as cool with Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 18 Mar Wise

Clear. Lows in the lower 50s. South Winds around 5 Mph.

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Decatur Temperature Statistics

March Temperature

Decatur, Decatur Municipal Airport (1.2 miles)

  • Lowest 12 March, 2026

    34.5 °F

  • Average March

    64.9 °F

  • Highest 9 March, 2026

    84 °F

Climate (2021–Present)

Decatur, Decatur Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.9 °F

  • Average High 2021–2026

    77.4 °F
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