Westerville Weather Forecast

    • 47
    • 69

    Rain Showers

    • 54
    • 70

    Rain Showers

    • 62
    • 70

    Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

    • 64
    • 80

    Chance Rain Showers

Today 20 May Franklin

Showers with a slight chance of Thunderstorms. Much cooler. Near steady Temperatures in the upper 60s. North Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 20 May Franklin

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Cooler. Less muggy with Lows in the upper 40s. Northeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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Westerville Temperature Statistics

May Temperature

Columbus, Ohio State University Airport (8.1 miles)

  • Lowest 2 May, 2026

    31.6 °F

  • Average May

    55.8 °F

  • Highest 17 May, 2026

    84 °F

Climate (2021–Present)

Columbus, Ohio State University Airport (8.1 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.4 °F
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