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.

Overcast

61°F

16°C

Humidity 55%
Wind Speed S 9 mph
Barometer 30.12 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 Oct 2:55 pm EDT
Extended Forecast for

Mc Lean NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 63. South wind around 15 mph.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Partly cloudy, with a low around 45. South wind 3 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 57. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Areas of frost before 8am. Otherwise, sunny, with a high near 55. Light northwest wind increasing to 5 to 9 mph in the morning.

    High: 55 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 63. South wind around 15 mph.
Tonight
A chance of showers, mainly after 5am. Partly cloudy, with a low around 45. South wind 3 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 57. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph becoming light after midnight.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 55. Light northwest wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean NY
 42.55°N 76.28°W (Elev. 1158 ft)
Last Update:
2:30 pm EDT Oct 4, 2026
Forecast Valid:
3pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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