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

48°F

9°C

Humidity 94%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Jun 2:35 am EDT
Extended Forecast for

Groton City NY

  • Overnight

    Overnight: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 71. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers, mainly after 9am. High near 64. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 64 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 2am. Cloudy, with a low around 52. Northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Calm wind.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 71. Calm wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Increasing clouds, with a low around 51. Calm wind.
Monday
Showers, mainly after 9am. High near 64. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
A chance of showers, mainly before 2am. Cloudy, with a low around 52. Northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Groton City NY
 42.62°N 76.3°W (Elev. 1375 ft)
Last Update:
2:30 am EDT Jun 21, 2026
Forecast Valid:
2am EDT Jun 21, 2026-6pm EDT Jun 27, 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