Gahanna Weather Forecast

    • 46
    • 72

    Becoming Sunny

    • 48
    • 75

    Sunny

    • 54
    • 80

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

Today 7 Sep Franklin

Mostly Sunny, then becoming partly cloudy early this Afternoon, then becoming mostly sunny. Highs in the lower 70s. West Winds 5 to 10 Mph, becoming northwest late.

Tonight 7 Sep Franklin

Clear. Lows in the mid 40s. North Winds around 5 Mph.

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Gahanna Temperature Statistics

September Temperature

John Glenn Columbus International Airport (1.9 miles)

  • Lowest 2 September, 2025

    53.1 °F

  • Average September

    67.9 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

John Glenn Columbus International Airport (1.9 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.8 °F
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