Gahanna Weather Forecast

    • 62
    • 76

    Rain Showers

    • 62
    • 79

    Mostly Cloudy

    • 66
    • 82

    Rain Showers

    • 65
    • 82

    Rain Showers Likely

    • 59
    • 81

    Slight Chance Rain Showers

    • 56
    • 76

    Partly Sunny

Today 24 May Franklin

Mostly cloudy. A chance of Showers this Morning, then Showers with a chance of Thunderstorms this afternoon. Highs in the mid 70s. Southeast Winds around 5 Mph, becoming west around 5 Mph late. Chance of rain 90 percent.

Tonight 24 May Franklin

Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the lower 60s. Northwest Winds around 5 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gahanna Temperature Statistics

May Temperature

John Glenn Columbus International Airport (1.9 miles)

  • Lowest 3 May, 2026

    31.6 °F

  • Average May

    59.1 °F

  • Highest 18 May, 2026

    90.6 °F

Climate (2021–Present)

John Glenn Columbus International Airport (1.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65 °F
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