Decatur Weather Forecast

    • 51
    • 76

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 63
    • 81

    Chance Thunderstorms

    • 60
    • 81

    Slight Chance Thunderstorms

    • 59
    • 81

    Partly Sunny

    • 62
    • 81

    Partly Sunny

Today 24 Aug Adams

Mostly sunny. Highs in the mid 70s. West Winds 5 to 10 Mph.

Tonight 24 Aug Adams

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Real-Time

Decatur Temperature Statistics

August Temperature

Fort Wayne International Airport (17.4 miles)

  • Lowest 5 August, 2026

    56.6 °F

  • Average August

    73.2 °F

  • Highest 8 August, 2026

    86.6 °F

Climate (2021–2026)

Fort Wayne International Airport (17.4 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.8 °F
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