Lake Treman Weather Forecast

    • 56
    • 75

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 53
    • 72

    Partly Sunny

    • 55
    • 72

    Mostly Cloudy

    • 61
    • 74

    Rain Showers Likely

Today 4 Sep Tompkins

Partly sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 4 Sep Tompkins

Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Treman Temperature Statistics

September Temperature

Ithaca, Ithaca Tompkins Regional Airport (6.8 miles)

  • Lowest 2 September, 2026

    63 °F

  • Average September

    70.9 °F

  • Highest 2 September, 2026

    80.1 °F

Climate (2021–2026)

Ithaca, Ithaca Tompkins Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    57.8 °F
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