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

57°F

14°C

Humidity 67%
Wind Speed S 8 mph
Barometer 30.21 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 4 Oct 12:55 pm EDT
Extended Forecast for

Groton NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 64. South wind around 11 mph, with gusts as high as 21 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers after 3am. Mostly cloudy, with a low around 45. South wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 58. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 9am. Otherwise, sunny, with a high near 57. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 8am. Otherwise, sunny, with a high near 67.

    High: 67 °F

    Areas Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °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 64. South wind around 11 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers after 3am. Mostly cloudy, with a low around 45. South wind 3 to 7 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 58. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Monday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. Northwest wind 5 to 10 mph becoming light after midnight.
Tuesday
Patchy frost before 9am. Otherwise, sunny, with a high near 57. Calm wind becoming northwest 5 to 9 mph in the morning.
Tuesday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 37.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Groton NY
 42.58°N 76.36°W (Elev. 1024 ft)
Last Update:
2:30 am EDT Oct 4, 2026
Forecast Valid:
1pm 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