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

Hazardous Weather Conditions

Current conditions at

Cortland County-Chase Field (KN03)

Lat: 42.59°NLon: 76.21°WElev: 1198ft.

Fair

30°F

-1°C

Humidity 93%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 9 Mar 5:35 am EDT
Extended Forecast for

Sempronius NY

  • Today

    Today: Sunny, with a high near 61. South wind 9 to 14 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 41. Southwest wind 6 to 8 mph.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of rain after 2pm. Mostly sunny, with a high near 63. South wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 63 °F

    Sunny then
    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 49. Southwest wind around 6 mph becoming southeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then rain between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 63. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 63 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 28. Chance of precipitation is 90%.

    Low: 28 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Snow likely, mainly after 2pm. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Chance Snow
    then Snow
    Likely

Detailed Forecast

Today
Sunny, with a high near 61. South wind 9 to 14 mph.
Tonight
Clear, with a low around 41. Southwest wind 6 to 8 mph.
Tuesday
A slight chance of rain after 2pm. Mostly sunny, with a high near 63. South wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 49. Southwest wind around 6 mph becoming southeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 2pm, then rain between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 63. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday Night
Rain before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 28. Chance of precipitation is 90%.
Thursday
Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Snow likely, mainly after 2pm. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Friday Night
Snow likely, mainly before 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
Rain and snow likely. Cloudy, with a high near 43. Chance of precipitation is 70%.
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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:
4:57 am EDT Mar 9, 2026
Forecast Valid:
5am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
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