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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

74°F

23°C

Humidity 91%
Wind Speed S 6 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 71°F (22°C)
Visibility 6.00 mi
Last update 22 Aug 8:56 am EDT
Extended Forecast for

Groton CTSimilar City Names

  • Today

    Today: Isolated showers and thunderstorms.  Mostly sunny, with a high near 84. Southwest wind 8 to 13 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 84 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 71. Southwest wind around 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 71 °F

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly before 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 8 to 11 mph becoming northwest in the afternoon.  Chance of precipitation is 30%.

    Scattered
    T-storms

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 59. West wind around 8 mph becoming north after midnight.

    Partly Cloudy

    Low: 59 °F

  • Thursday

    Thursday: Sunny, with a high near 75. North wind 6 to 8 mph becoming west in the afternoon.

    Sunny

    High: 75 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

  • Friday

    Friday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Saturday

    Saturday: Sunny, with a high near 73.

    Sunny

    High: 73 °F

Detailed Forecast

Today
Isolated showers and thunderstorms. Mostly sunny, with a high near 84. Southwest wind 8 to 13 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Scattered showers and thunderstorms, mainly before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 59. West wind around 8 mph becoming north after midnight.
Thursday
Sunny, with a high near 75. North wind 6 to 8 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
Groton CTSimilar City Names
 41.32°N 72.09°W (Elev. 3 ft)
7:39 am EDT Aug 22, 2017
9am EDT Aug 22, 2017-6pm EDT Aug 28, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database