Owasco Lake Weather Forecast

    • 25
    • 29

    Gradual Clearing

    • 25
    • 39

    Mostly Cloudy

    • 36
    • 43

    Rain

    • 20
    • 40

    Snow Showers Likely

    • 28
    • 35

    Chance Rain/Snow

    • 22
    • 36

    Slight Chance Snow Showers

Today 16 Dec Southern Cayuga

Mostly cloudy. Highs around 30. South Winds 5 to 10 Mph.

Tonight 16 Dec Southern Cayuga

Partly cloudy. Lows in the mid 20s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Owasco Lake Temperature Statistics

December Temperature

Cortland County-Chase Field (22.4 miles)

  • Lowest 5 December, 2025

    -5.8 °F

  • Average December

    23.1 °F

  • Highest 10 December, 2025

    35.6 °F

Climate (2020–Present)

Cortland County-Chase Field (22.4 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    56.5 °F
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