Gahanna Weather Forecast

    • 62
    • 85

    Mostly Sunny

    • 70
    • 90

    Mostly Sunny

    • 74
    • 93

    Chance Thunderstorms

    • 72
    • 91

    Rain Showers Likely

    • 72
    • 86

    Rain Showers Likely

    • 72
    • 89

    Chance Thunderstorms

Today 22 Jul Franklin

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 22 Jul Franklin

Clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Gahanna Temperature Statistics

July Temperature

John Glenn Columbus International Airport (1.9 miles)

  • Lowest 19 July, 2025

    66 °F

  • Average July

    78.9 °F

  • Highest 4 July, 2025

    92.6 °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

    64.7 °F
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