Ithaca Weather Forecast

    • 57
    • 85

    Becoming Sunny

    • 57
    • 87

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

    • 60
    • 88

    Partly Sunny

    • 59
    • 85

    Slight Chance Thunderstorms

Today 14 Sep Darke

Partly cloudy in the Morning, then clearing. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 14 Sep Darke

Mostly cloudy. Near steady Temperatures in the lower 60s. East Winds around 5 Mph, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ithaca Temperature Statistics

September Temperature

Dayton, Cox Dayton International Airport (17.4 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    64.8 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

Dayton, Cox Dayton International Airport (17.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.6 °F
Get WillyWeather+ to remove ads