Ithaca Weather Forecast

    • 70
    • 88

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 60
    • 79

    Partly Sunny

    • 68
    • 86

    Rain Showers Likely

    • 62
    • 83

    Chance Thunderstorms

    • 61
    • 81

    Chance Rain Showers

    • 61
    • 79

    Chance Rain Showers

Today 16 Sep Darke

Partly cloudy. Highs in the upper 70s.

Tonight 16 Sep Darke

Partly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Unseasonably warm with Lows in the upper 60s. Northwest Winds around 5 Mph, becoming northeast late this Evening, then becoming southeast after Midnight, becoming southwest late. Chance of rain 50 percent.

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Ithaca Temperature Statistics

September Temperature

Dayton, Cox Dayton International Airport (17.4 miles)

  • Lowest 14 September, 2026

    53.1 °F

  • Average September

    76.3 °F

  • Highest 3 September, 2026

    94.6 °F

Climate (2021–2026)

Dayton, Cox Dayton International Airport (17.4 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    64.8 °F
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