Gahanna Weather Forecast

    • 21
    • 29

    Decreasing Clouds

    • 28
    • 46

    Mostly Cloudy

    • 19
    • 34

    Mostly Sunny

    • 34
    • 41

    Chance Rain

    • 35
    • 50

    Mostly Cloudy

    • 43
    • 50

    Rain Likely

    • 48
    • 62

    Chance Rain

Today 19 Dec Franklin

Mostly cloudy and much Colder. Near steady temperature in the mid 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 19 Dec Franklin

Partly cloudy this Evening, then clearing. Lows in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming south 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gahanna Temperature Statistics

December Temperature

John Glenn Columbus International Airport (1.9 miles)

  • Lowest 15 December, 2025

    1.9 °F

  • Average December

    27.2 °F

  • Highest 17 December, 2025

    46.9 °F

Climate (2020–Present)

John Glenn Columbus International Airport (1.9 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.8 °F
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