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

66°F

19°C

Humidity 81%
Wind Speed NW 7 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 12:56 am EDT
Extended Forecast for

3 Miles NE Ledyard CT

  • Overnight

    Overnight: Patchy fog after 2am.  Otherwise, clear, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, increasing clouds, with a high near 79. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 62. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 78. South wind 5 to 13 mph.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 65. South wind 3 to 8 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, clear, with a low around 58. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 79. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Wednesday Night
Increasing clouds, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 78. South wind 5 to 13 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. South wind 3 to 8 mph.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Ledyard CT
 41.48°N 71.96°W (Elev. 187 ft)
7:58 pm EDT Aug 25, 2026
1am EDT Aug 26, 2026-6pm EDT Sep 1, 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