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

41°F

5°C

Humidity 61%
Wind Speed NW 9 mph
Barometer 29.93 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Nov 11:15 am EST
Extended Forecast for

Sempronius NY

  • Today

    Today: Cloudy early, then gradual clearing, with a high near 38. Northwest wind 8 to 11 mph.

    High: 38 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Northwest wind around 5 mph becoming calm.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 39. South wind 7 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Slight Chance
    Snow Showers
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain and snow showers likely, becoming all snow after 10pm. Mostly cloudy, with a low around 30. West wind 10 to 13 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 40. Northwest wind 6 to 8 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Cloudy, with a high near 43. Chance of precipitation is 70%.

    High: 43 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.

    High: 51 °F

    Showers
    Likely

Detailed Forecast

Today
Cloudy early, then gradual clearing, with a high near 38. Northwest wind 8 to 11 mph.
Tonight
Increasing clouds, with a low around 26. Northwest wind around 5 mph becoming calm.
Sunday
A slight chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 39. South wind 7 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow showers likely, becoming all snow after 10pm. Mostly cloudy, with a low around 30. West wind 10 to 13 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 40. Northwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Showers likely, mainly after 1pm. Cloudy, with a high near 43. Chance of precipitation is 70%.
Tuesday Night
Showers. Low around 39. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Thanksgiving Day
A chance of snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Friday
Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sempronius NY
 42.73°N 76.3°W (Elev. 1706 ft)
Last Update:
11:27 am EST Nov 22, 2025
Forecast Valid:
11am EST Nov 22, 2025-6pm EST Nov 28, 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