Cortland Weather Forecast

    • 8
    • 18

    Snow Showers

    • 9
    • 23

    Snow Showers Likely

    • 18
    • 27

    Mostly Cloudy

    • 21
    • 38

    Slight Chance Rain/Snow

    • 31
    • 44

    Rain Showers

    • 13
    • 33

    Chance Snow Showers

    • 26
    • 33

    Rain Showers Likely

Today 14 Dec Cortland

Snow Showers likely. Snow accumulation around an inch. Highs 15 to 20. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

Tonight 14 Dec Cortland

Snow Showers Likely, mainly this evening. Snow accumulation around an inch. Lows 5 to 10 above. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

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Cortland Temperature Statistics

December Temperature

Cortland County-Chase Field (1.9 miles)

  • Lowest 5 December, 2025

    -5.8 °F

  • Average December

    22.9 °F

  • Highest 10 December, 2025

    35.6 °F

Climate (2020–Present)

Cortland County-Chase Field (1.9 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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