Belfast Weather Forecast

    • 69
    • 93

    Mostly Sunny

    • 71
    • 94

    Mostly Sunny

    • 71
    • 96

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 69
    • 95

    Mostly Sunny

    • 68
    • 94

    Mostly Sunny

Today 13 Sep Marshall

Sunny. Highs in the mid 90s. Light and variable Winds, becoming northwest around 5 Mph.

Tonight 13 Sep Marshall

Mostly clear. Lows in the upper 60s. Light and variable Winds.

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Belfast Temperature Statistics

September Temperature

Shelbyville Bomar Field & Shelbyville Municipal Airport (17.4 miles)

  • Lowest 7 September, 2026

    68 °F

  • Average September

    81.7 °F

  • Highest 4 September, 2026

    100.4 °F

Climate (2021–2026)

Shelbyville Bomar Field & Shelbyville Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    60 °F

  • Average High 2021–2026

    71.1 °F
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