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

Severe Thunderstorms and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain

38°F

3°C

Humidity 89%
Wind Speed E 8 mph
Barometer 30.39 in (1029.2 mb)
Dewpoint 35°F (2°C)
Visibility 8.00 mi
Wind Chill32°F (0°C)
Last update 23 Feb 4:56 pm EST
Extended Forecast for

Deep River CT

  • This
    Afternoon

    This Afternoon: Rain.  Steady temperature around 38. Southeast wind around 6 mph.  Chance of precipitation is 80%.

    Rain

    High: 38 °F

  • Tonight

    Tonight: Rain likely, mainly before 11pm.  Patchy fog before 4am.  Otherwise, cloudy, with a temperature rising to around 42 by 1am. Light and variable wind becoming west 5 to 7 mph after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    and Patchy
    Fog then
    Patchy Fog

    Low: 38 °F

  • Saturday

    Saturday: A 20 percent chance of rain after 1pm.  Mostly cloudy, with a high near 57. Northwest wind 5 to 7 mph.

    Mostly Cloudy
    then Slight
    Chance Rain

    High: 57 °F

  • Saturday
    Night

    Saturday Night: Rain, mainly after midnight.  Low around 37. Calm wind becoming east 5 to 8 mph after midnight.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance Rain
    then Rain

    Low: 37 °F

  • Sunday

    Sunday: Rain.  High near 43. East wind 6 to 11 mph becoming light northeast  in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    High: 43 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Mostly Cloudy

    Low: 35 °F

  • Monday

    Monday: Mostly sunny, with a high near 53.

    Mostly Sunny

    High: 53 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 35.

    Mostly Clear

    Low: 35 °F

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    Sunny

    High: 51 °F

Detailed Forecast

This Afternoon
Rain. Steady temperature around 38. Southeast wind around 6 mph. Chance of precipitation is 80%.
Tonight
Rain likely, mainly before 11pm. Patchy fog before 4am. Otherwise, cloudy, with a temperature rising to around 42 by 1am. Light and variable wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 57. Northwest wind 5 to 7 mph.
Saturday Night
Rain, mainly after midnight. Low around 37. Calm wind becoming east 5 to 8 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 43. East wind 6 to 11 mph becoming light northeast in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Click Map For Forecast
Point Forecast:
Deep River CT
 41.41°N 72.42°W (Elev. 3 ft)
3:49 pm EST Feb 23, 2018
5pm EST Feb 23, 2018-6pm EST Mar 2, 2018
 
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