Flooding Threat from Western Monsoon; Hot in the South; Severe Storms Possible in the southern Mid-Atlantic

Heavy rainfall from monsoonal activity will continue the potential for flash flooding, especially in complex terrain, burn scars, and urban areas from the northern Great Basin to the southern Rockies today. Dangerous heat and humidity continues across the Deep South today. Strong to severe storms with damaging wind and perhaps a tornado may impact southern portions of the Mid Atlantic today. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

69°F

21°C

Humidity 81%
Wind Speed Vrbl 3 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 1 Aug 8:56 am EDT
Extended Forecast for

Old Lyme CTSimilar City Names

  • Today

    Today: Increasing clouds, with a high near 76. South wind 5 to 10 mph.

    Increasing
    Clouds

    High: 76 °F

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 63. South wind 5 to 8 mph becoming light and variable  after midnight.

    Chance
    Showers

    Low: 63 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 10am.  Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph.

    Slight Chance
    T-storms then
    Sunny

    High: 79 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 62. West wind 3 to 5 mph.

    Mostly Clear

    Low: 62 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. Light and variable wind becoming south around 6 mph in the afternoon.

    Partly Sunny

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Mostly Cloudy

    Low: 62 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    Partly Sunny

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers after 3am.  Mostly cloudy, with a low around 62.

    Mostly Cloudy
    then Chance
    Showers

    Low: 62 °F

  • Thursday

    Thursday: A chance of showers before 9am, then a chance of showers after 3pm.  Partly sunny, with a high near 79. Chance of precipitation is 40%.

    Chance
    Showers

    High: 79 °F

Detailed Forecast

Today
Increasing clouds, with a high near 76. South wind 5 to 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 63. South wind 5 to 8 mph becoming light and variable after midnight.
Monday
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 62. West wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 77. Light and variable wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 62.
Thursday
A chance of showers before 9am, then a chance of showers after 3pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
Partly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Old Lyme CTSimilar City Names
 41.31°N 72.33°W (Elev. 43 ft)
7:15 am EDT Aug 1, 2021
10am EDT Aug 1, 2021-6pm EDT Aug 7, 2021
 
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Additional Resources

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