A Large Storm System Will Impact The Western U.S. This Weekend

A large storm system will deliver widespread impacts to the Western U.S. this weekend. Widespread heavy snow, heavy rain, strong thunderstorms and a number of coastal hazards will likely cause travel issues. The locally heavy rain in north-central California and southwest Oregon may cause flash flooding, especially near recent and vulnerable burn scar areas. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

26°F

-3°C

Humidity 66%
Wind Speed NE 3 mph
Barometer 30.56 in (1034.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 8 Dec 8:56 am EST
Extended Forecast for

Old Lyme CT

  • Today

    Today: Mostly sunny, with a high near 41. Wind chill values between 25 and 35. Calm wind becoming south 5 to 8 mph in the afternoon.

    Mostly Sunny

    High: 41 °F

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am.  Mostly cloudy, with a temperature falling to near 39 by 8pm, then rising to around 46 during the remainder of the night. South wind 6 to 10 mph.

    Mostly Cloudy
    then Chance
    Showers

    Low: 39 °F

  • Monday

    Monday: Rain, mainly after 8am.  High near 57. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    High: 57 °F

  • Monday
    Night

    Monday Night: Rain before 1am, then a chance of showers, mainly between 1am and 4am.  Low around 53. Southwest wind 15 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    Low: 53 °F

  • Tuesday

    Tuesday: A chance of showers, mainly between 10am and 1pm, then rain likely after 1pm.  Cloudy, with a high near 60. Southwest wind 11 to 16 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers then
    Rain Likely

    High: 60 °F

  • Tuesday
    Night

    Tuesday Night: Rain likely before 4am, then snow likely.  Cloudy, with a low around 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Rain Likely
    then
    Rain/Snow
    Likely

    Low: 33 °F

  • Wednesday

    Wednesday: Snow likely, mainly before 7am.  Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

    Snow Likely

    High: 37 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Partly Cloudy

    Low: 22 °F

  • Thursday

    Thursday: Sunny, with a high near 35.

    Sunny

    High: 35 °F

Detailed Forecast

Today
Mostly sunny, with a high near 41. Wind chill values between 25 and 35. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a temperature falling to near 39 by 8pm, then rising to around 46 during the remainder of the night. South wind 6 to 10 mph.
Monday
Rain, mainly after 8am. High near 57. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain before 1am, then a chance of showers, mainly between 1am and 4am. Low around 53. Southwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, mainly between 10am and 1pm, then rain likely after 1pm. Cloudy, with a high near 60. Southwest wind 11 to 16 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely before 4am, then snow likely. Cloudy, with a low around 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly before 7am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 49.
Click Map For Forecast
Point Forecast:
Old Lyme CT
 41.31°N 72.33°W (Elev. 43 ft)
8:02 am EST Dec 8, 2019
9am EST Dec 8, 2019-6pm EST Dec 14, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database