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.

Fair

50°F

10°C

Humidity 76%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Oct 3:15 am EDT
Extended Forecast for

Mc Lean NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Southeast wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after 8am. High near 59. Southeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 11pm. Low around 49. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 2pm, then showers likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers, mainly before 2am. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Southeast wind around 6 mph.
Sunday
Showers, mainly after 8am. High near 59. Southeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers, mainly before 11pm. Low around 49. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
Mostly cloudy, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 51. Calm wind.
Tuesday
A chance of showers and thunderstorms before 2pm, then showers likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Tuesday Night
Showers, mainly before 2am. Low around 52. Chance of precipitation is 80%.
Wednesday
A chance of showers before 8am. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Saturday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
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 am EDT Oct 11, 2026
Forecast Valid:
3am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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