National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Cortland County-Chase Field (KN03)

Lat: 42.59°NLon: 76.21°WElev: 1198ft.

Light Snow

21°F

-6°C

Humidity 86%
Wind Speed W 3 mph
Barometer 30.11 in
Dewpoint 18°F (-8°C)
Visibility 7.00 mi
Last update 8 Dec 1:35 am EST
Extended Forecast for

Mc Lean NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 9. Northwest wind around 10 mph.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 18. Wind chill values as low as -1. North wind 3 to 6 mph.

    High: 18 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 2. Calm wind.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow showers after 1pm. Increasing clouds, with a high near 27. Wind chill values as low as -5. South wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Cloudy, with a low around 20. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 20 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Wednesday

    Wednesday: Snow showers before 10am, then rain and snow showers. High near 37. Chance of precipitation is 100%.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after 10pm. Low around 21. Chance of precipitation is 90%.

    Low: 21 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.

    Low: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 9. Northwest wind around 10 mph.
Monday
Mostly sunny, with a high near 18. Wind chill values as low as -1. North wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 2. Calm wind.
Tuesday
A chance of snow showers after 1pm. Increasing clouds, with a high near 27. Wind chill values as low as -5. South wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers likely, mainly after 1am. Cloudy, with a low around 20. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday
Snow showers before 10am, then rain and snow showers. High near 37. Chance of precipitation is 100%.
Wednesday Night
Rain and snow showers, becoming all snow after 10pm. Low around 21. Chance of precipitation is 90%.
Thursday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Saturday
Snow showers. High near 23. Chance of precipitation is 80%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean NY
 42.56°N 76.31°W (Elev. 1207 ft)
Last Update:
12:47 am EST Dec 8, 2025
Forecast Valid:
1am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation