Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

34°F

1°C

Humidity 54%
Wind Speed SW 12 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 16 Jan 11:56 pm EST
Extended Forecast for

Groton CT

  • Overnight

    Overnight: A 20 percent chance of snow after 4am.  Mostly cloudy, with a steady temperature around 36. South wind around 9 mph.

    Low: 36 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 10am, then rain likely.  Mostly cloudy, with a high near 43. South wind 8 to 13 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 7pm, then a slight chance of snow after 1am.  Mostly cloudy, with a low around 34. West wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly after 1pm.  Cloudy, with a steady temperature around 35. Southwest wind 5 to 8 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before 1am.  Cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 7 to 10 mph.

    Low: 26 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 33. Breezy.

    High: 33 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Breezy.

    Low: 19 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 36. South wind around 9 mph.
Saturday
A slight chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 43. South wind 8 to 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 34. West wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 1pm. Cloudy, with a steady temperature around 35. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 7 to 10 mph.
M.L.King Day
Sunny, with a high near 33. Breezy.
Monday Night
Mostly clear, with a low around 19. Breezy.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 37.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton CT
 41.32°N 72.09°W (Elev. 3 ft)
3:33 pm EST Jan 16, 2026
12am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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