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

25°F

-4°C

Humidity 50%
Wind Speed NW 6 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Mar 2:56 am EDT
Extended Forecast for

2 Miles SSW Niantic CT

  • Overnight

    Overnight: Mostly clear, with a low around 24. Northwest wind around 7 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny through mid morning, then becoming mostly cloudy, with a high near 37. Wind chill values between 15 and 25. Northwest wind around 5 mph becoming light and variable.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain before 2pm.  Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 24. Northwest wind around 7 mph.
Wednesday
Sunny through mid morning, then becoming mostly cloudy, with a high near 37. Wind chill values between 15 and 25. Northwest wind around 5 mph becoming light and variable.
Wednesday Night
Increasing clouds, with a low around 28. Calm wind.
Thursday
Mostly sunny, with a high near 41. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 33. Light south wind.
Friday
Mostly sunny, with a high near 48.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
A 40 percent chance of rain before 2pm. Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A 40 percent chance of rain after 8am. Mostly cloudy, with a high near 51.
Sunday Night
A 30 percent chance of rain. Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
2:30 am EDT Mar 18, 2026
3am EDT Mar 18, 2026-6pm EDT Mar 24, 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