Belfast Weather Forecast

    • 72
    • 95

    Sunny

    • 72
    • 95

    Mostly Sunny

    • 69
    • 94

    Chance Thunderstorms

    • 69
    • 90

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 68
    • 88

    Chance Thunderstorms

Today 18 Aug Marshall

Sunny, hot with Highs in the mid 90s. Northeast Winds around 5 Mph. Heat index Values up to 105.

Tonight 18 Aug Marshall

Clear. Lows in the lower 70s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Belfast Temperature Statistics

August Temperature

Shelbyville Bomar Field & Shelbyville Municipal Airport (17.4 miles)

  • Lowest 5 August, 2025

    62.6 °F

  • Average August

    76 °F

  • Highest 16 August, 2025

    93.2 °F

Climate (2020–Present)

Shelbyville Bomar Field & Shelbyville Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    58.9 °F

  • Average High 2020–2025

    69.8 °F
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