Expanding Heat Wave; Locally Heavy Rain Shifts to Northeast

Oppressive temperatures and dangerous heat indices continue across the southern Plains and Lower Mississippi Valley, especially in Texas. The Excessive Heat expands to the Southwest, California and parts of Oregon starting Monday. Meanwhile, unsettled weather will persist over the East, as locally heavy to excessive rainfall shifts from the Mid-Atlantic to the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

68°F

20°C

Humidity 78%
Wind Speed E 14 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Jul 10:56 pm EDT
Extended Forecast for

Groton / New London Airport CT

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 2am. Some of the storms could produce gusty winds and heavy rain.  Temperature rising to around 71 by 5am. Breezy, with an east wind 20 to 24 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Breezy

    Low: 68 °F

  • Sunday

    Sunday: Showers likely.  Cloudy, with a high near 77. Southeast wind 11 to 17 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 77 °F

  • Sunday
    Night

    Sunday Night: Showers.  Low around 72. Southeast wind 10 to 15 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers

    Low: 72 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm.  Cloudy, with a steady temperature around 76. South wind 13 to 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 76 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. South wind around 11 mph.

    Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before noon.  Partly sunny, with a high near 80.

    Chance
    T-storms then
    Partly Sunny

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 71.

    Mostly Cloudy

    Low: 71 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 80.

    Chance
    T-storms

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71.

    Chance
    T-storms

    Low: 71 °F

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 2am. Some of the storms could produce gusty winds and heavy rain. Temperature rising to around 71 by 5am. Breezy, with an east wind 20 to 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely. Cloudy, with a high near 77. Southeast wind 11 to 17 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 72. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 76. South wind 13 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 11 mph.
Tuesday
A 30 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Thursday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
9:16 pm EDT Jul 21, 2018
11pm EDT Jul 21, 2018-6pm EDT Jul 28, 2018
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database