Isolated Thunderstorms and Heavy Rains from the Southern Plains to the Southeast

Isolated strong to severe storms capable of producing large hail and damaging wind gusts may occur across parts of the southern Plains into the Southeast. Heavy rains may cause localized flash, urban, and small stream flooding from the Southern Plains across the Lower Mississippi Valley through Wednesday. Elevated fire weather conditions continue across the Southwest and northern California. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

9°C

48°F

Humidity 93%
Wind Speed W 6 km/h
Barometer 1014.3 mb (29.95 in)
Dewpoint 8°C (46°F)
Visibility 16 km
Last update 10 May 10:56 pm EDT
Extended Forecast for

Old Lyme CT

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 9. Northwest wind 5 to 10 km/h.

    Partly Cloudy

    Low: 9 °C

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 17. West wind 14 to 23 km/h.

    Mostly Sunny
    then Slight
    Chance
    Showers

    High: 17 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 6. West wind 11 to 16 km/h.

    Partly Cloudy

    Low: 6 °C

  • Wednesday

    Wednesday: Sunny, with a high near 17. Northwest wind 16 to 21 km/h.

    Sunny

    High: 17 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 7. Northwest wind around 10 km/h.

    Mostly Clear

    Low: 7 °C

  • Thursday

    Thursday: Sunny, with a high near 19.

    Sunny

    High: 19 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 8.

    Mostly Clear

    Low: 8 °C

  • Friday

    Friday: Mostly sunny, with a high near 19.

    Mostly Sunny

    High: 19 °C

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 8.

    Mostly Cloudy

    Low: 8 °C

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 9. Northwest wind 5 to 10 km/h.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 17. West wind 14 to 23 km/h.
Tuesday Night
Partly cloudy, with a low around 6. West wind 11 to 16 km/h.
Wednesday
Sunny, with a high near 17. Northwest wind 16 to 21 km/h.
Wednesday Night
Mostly clear, with a low around 7. Northwest wind around 10 km/h.
Thursday
Sunny, with a high near 19.
Thursday Night
Mostly clear, with a low around 8.
Friday
Mostly sunny, with a high near 19.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 9.
Monday
Mostly sunny, with a high near 19.
Click Map For Forecast
Point Forecast:
Old Lyme CT
 41.31°N 72.33°W (Elev. 13 m)
11:21 pm EDT May 10, 2021
11pm EDT May 10, 2021-6pm EDT May 17, 2021
 
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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