Ithaca Weather Forecast

    • 52
    • 84

    Chance Rain Showers

    • 55
    • 75

    Mostly Sunny

    • 68
    • 88

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 66
    • 88

    Chance Thunderstorms

    • 62
    • 82

    Chance Rain Showers

    • 62
    • 83

    Chance Rain Showers

Today 13 Sep Darke

Areas of dense fog this morning. Mostly sunny this Morning, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph late. Chance of rain 30 percent.

Tonight 13 Sep Darke

Partly cloudy this Evening, then clearing. Cooler with Lows in the lower 50s. North Winds 10 to 15 Mph.

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Ithaca Temperature Statistics

September Temperature

Dayton, Cox Dayton International Airport (17.4 miles)

  • Lowest 7 September, 2026

    58.6 °F

  • Average September

    77.7 °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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