Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

68°F

20°C

Humidity 81%
Wind Speed W 7 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Aug 10:56 pm EDT
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, clear, with a low around 60. Northwest wind around 5 mph.

    Low: 60 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 79. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79. South wind 6 to 13 mph.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. South wind 5 to 8 mph becoming calm  in the evening.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 8am.  Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, clear, with a low around 60. Northwest wind around 5 mph.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 79. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 79. South wind 6 to 13 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 5 to 8 mph becoming calm in the evening.
Friday
A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
7:58 pm EDT Aug 25, 2026
11pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database