Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

71°F

22°C

Humidity 79%
Wind Speed E 9 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 5 Jul 7:56 pm EDT
Extended Forecast for

Niantic CT

Flood Watch July 5, 08:41pm until July 7, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 5, 08:41pm until July 7, 06:00am

    NOW until 6:00am Tue

    Flood Watch

  • Tonight

    Low: 63 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 75. East wind 9 to 14 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 62. East wind 7 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  High near 78. Northeast wind 8 to 11 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 61. North wind 3 to 6 mph.  Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 63. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 75. East wind 9 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 62. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 78. Northeast wind 8 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. North wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 83.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
2:56 pm EDT Jul 5, 2026
8pm EDT Jul 5, 2026-6pm EDT Jul 12, 2026
 
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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