Decatur Weather Forecast

    • 42
    • 62

    Mostly Sunny

    • 56
    • 72

    Mostly Cloudy

    • 36
    • 69

    Chance Rain/Snow

    • 29
    • 43

    Chance Rain/Snow

    • 42
    • 53

    Partly Sunny

    • 46
    • 65

    Mostly Cloudy

Today 13 Mar Van Buren

Sunny. Highs in the mid 50s near lake Michigan in the lower 60s inland. Southeast Winds 5 to 10 Mph.

Tonight 13 Mar Van Buren

Mostly clear. Lows in the lower 40s. Southeast Winds 5 to 15 Mph.

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Decatur Temperature Statistics

March Temperature

Haines Memorial Airport (21.7 miles)

  • Lowest 2 March, 2025

    21.6 °F

  • Average March

    36.7 °F

  • Highest 10 March, 2025

    67.3 °F

Climate (2020–Present)

Haines Memorial Airport (21.7 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    60.1 °F
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