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

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

55°F

13°C

Humidity 69%
Wind Speed S 13 mph
Barometer 30.31 in (1026.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 11 Oct 12:56 am EDT
Extended Forecast for

2 Miles NNE Old Mystic CT

Coastal Flood Watch October 12, 12:00pm until October 13, 08:00pm
Click here for hazard details and duration
Coastal Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 54. East wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 2pm. Cloudy, with a high near 63. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Rain Likely
    and Breezy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Northeast wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Low: 52 °F

    Rain

  • Columbus Day

    Columbus Day: Rain. High near 61. Breezy. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    High: 61 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Showers. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Calm wind.
Saturday
Partly sunny, with a high near 65. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 54. East wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Rain likely, mainly after 2pm. Cloudy, with a high near 63. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 52. Northeast wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Columbus Day
Rain. High near 61. Breezy. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Showers. Low around 52. Chance of precipitation is 80%.
Tuesday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 65.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 41.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Old Mystic CT
 41.39°N 71.95°W (Elev. 95 ft)
Last Update:
3:36 pm EDT Oct 10, 2025
Forecast Valid:
1am EDT Oct 11, 2025-6pm EDT Oct 17, 2025
 
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