Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Very Heavy Rain, Severe Thunderstorms, and High Flash Flood Risk moves into the Mississippi Valley and Midwest

Thunderstorms, some severe, with very heavy rain have moved into the Mid South and Tennessee Valley today. Flash flooding and severe thunderstorms will be possible from the central Gulf Coast to the Upper Great Lakes. The greatest threat of excessive rains will be in portions of the Lower and Middle Mississippi Valleys. This storm system has a history of producing life threatening flash floods. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Mostly Cloudy

55°F

13°C

Humidity 62%
Wind Speed SE 17 mph
Barometer 30.25 in (1024.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 30 Apr 9:56 am EDT
Extended Forecast for

Groton CTSimilar City Names

  • Today

    Today: Partly sunny, with a high near 55. Southeast wind around 9 mph.

    Partly Sunny

    High: 55 °F

  • Tonight

    Tonight: A slight chance of drizzle after 9pm.  Patchy fog after 3am.  Otherwise, cloudy, with a low around 47. East wind 8 to 10 mph.

    Slight Chance
    Drizzle and
    Patchy Fog

    Low: 47 °F

  • Monday

    Monday: Areas of drizzle with a slight chance of showers before 8am, then a slight chance of showers after 8am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 62. East wind 5 to 10 mph becoming south in the afternoon.  Chance of precipitation is 20%.

    Areas Drizzle
    and Patchy
    Fog

    High: 62 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm.  Mostly cloudy, with a low around 55. Southwest wind 13 to 17 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 55 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 8am.  Partly sunny, with a high near 64. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.

    Chance
    Showers

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Partly Cloudy

    Low: 50 °F

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    Sunny

    High: 59 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Partly Cloudy

    Low: 47 °F

  • Thursday

    Thursday: Rain likely, mainly after 5pm.  Partly sunny, with a high near 56. Chance of precipitation is 60%.

    Rain Likely

    High: 56 °F

Detailed Forecast

Today
Partly sunny, with a high near 55. Southeast wind around 9 mph.
Tonight
A slight chance of drizzle after 9pm. Patchy fog after 3am. Otherwise, cloudy, with a low around 47. East wind 8 to 10 mph.
Monday
Areas of drizzle with a slight chance of showers before 8am, then a slight chance of showers after 8am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 55. Southwest wind 13 to 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 64. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Rain likely, mainly after 5pm. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Thursday Night
Rain likely before 8pm, then showers likely after 8pm. Cloudy, with a low around 47. Chance of precipitation is 70%.
Friday
Showers likely. Cloudy, with a high near 56. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 59.
Click Map For Forecast
Point Forecast:
Groton CTSimilar City Names
 41.32°N 72.09°W (Elev. 3 ft)
6:32 am EDT Apr 30, 2017
10am EDT Apr 30, 2017-6pm EDT May 6, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database