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

Ledyard CT

  • Overnight

    Overnight: Mostly clear, with a low around 23. Wind chill values between 15 and 20. Northwest wind around 8 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind 3 to 5 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °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 50.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Wind chill values between 15 and 20. Northwest wind around 8 mph.
Wednesday
Mostly sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 23. Calm wind.
Thursday
Sunny, with a high near 42. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 29. Calm wind.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 50.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 52.
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 48.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.44°N 72°W (Elev. 200 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