Olentangy Weather Forecast

    • 63
    • 79

    Mostly Cloudy

    • 65
    • 85

    Chance Rain Showers

    • 48
    • 72

    Rain Showers

    • 47
    • 68

    Partly Sunny

    • 47
    • 72

    Mostly Sunny

    • 41
    • 65

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

Today 30 Sep Delaware

Mostly sunny. Highs in the upper 60s.

Tonight 30 Sep Delaware

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olentangy Temperature Statistics

September Temperature

Columbus, Ohio State University Airport (5.6 miles)

  • Lowest 25 September, 2026

    43.6 °F

  • Average September

    70.9 °F

  • Highest 3 September, 2026

    95.6 °F

Climate (2021–2026)

Columbus, Ohio State University Airport (5.6 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.4 °F
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