Decatur Weather Forecast

    • 51
    • 72

    Chance Thunderstorms

    • 54
    • 74

    Mostly Sunny

    • 61
    • 78

    Chance Rain Showers

    • 48
    • 75

    Rain Showers

    • 43
    • 64

    Partly Sunny

    • 47
    • 67

    Chance Rain Showers

Today 21 Apr Van Buren

Mostly sunny. A chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs in the upper 60s near lake Michigan in the lower 70s inland. South Winds 10 to 15 Mph becoming southwest in the afternoon. Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 21 Apr Van Buren

Partly cloudy. A chance of rain Showers and a slight chance of Thunderstorms in the evening. Lows around 50. West Winds around 10 Mph with Gusts to around 20 Mph in the evening becoming light. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

April Temperature

Haines Memorial Airport (21.7 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    51.3 °F

  • Highest 13 April, 2026

    80.6 °F

Climate (2021–Present)

Haines Memorial Airport (21.7 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    60.4 °F
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