Cortland County Airport (Chase Field) Weather Forecast

    • 50
    • 76

    Rain Showers

    • 54
    • 77

    Rain Showers Likely

    • 45
    • 64

    Rain Showers Likely

    • 42
    • 66

    Partly Sunny

    • 40
    • 63

    Mostly Sunny

    • 44
    • 70

    Mostly Sunny

Today 4 Sep Cortland

Showers with a chance of Thunderstorms. Highs in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 4 Sep Cortland

Mostly cloudy. Showers with a chance of Thunderstorms in the evening. Lows around 50. West Winds 5 to 10 Mph. Chance of rain 90 percent.

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Cortland County Airport (Chase Field) Temperature Statistics

September Temperature

Cortland County-Chase Field (0 miles)

  • Lowest 1 September, 2025

    42.8 °F

  • Average September

    58.2 °F

  • Highest 1 September, 2025

    73.4 °F

Climate (2020–Present)

Cortland County-Chase Field (0 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    56.7 °F
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