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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

29°F

-2°C

Humidity 43%
Wind Speed NW 5 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 18 Mar 12:56 am EDT
Extended Forecast for

New London CT

  • Overnight

    Overnight: Mostly clear, with a low around 23. Wind chill values between 15 and 20. Northwest wind around 11 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Wind chill values between 20 and 30. Light northwest wind.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Wind chill values between 15 and 20. Northwest wind around 11 mph.
Wednesday
Mostly sunny, with a high near 38. Wind chill values between 20 and 30. Light northwest wind.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Sunny, with a high near 42. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 30. Calm wind.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 49.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 51.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
7:30 pm EDT Mar 17, 2026
Forecast Valid:
1am EDT Mar 18, 2026-6pm EDT Mar 24, 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