Decatur Weather Forecast

    • 59
    • 79

    Rain Showers Likely

    • 65
    • 85

    Partly Sunny

    • 67
    • 88

    Chance Thunderstorms

    • 61
    • 88

    Rain Showers

    • 47
    • 71

    Slight Chance Rain Showers

    • 47
    • 65

    Partly Sunny

Today 16 May Adams

Partly cloudy. Near steady temperature in the upper 70s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 16 May Adams

Partly cloudy. Lows around 60. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

May Temperature

Fort Wayne International Airport (17.4 miles)

  • Lowest 2 May, 2026

    32.6 °F

  • Average May

    52.7 °F

  • Highest 4 May, 2026

    76.6 °F

Climate (2021–Present)

Fort Wayne International Airport (17.4 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.7 °F
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