Heavy Rain and Possible Flash Flooding in the Northeast and Northern Mid-Atlantic

A strong cold front will push through the Eastern U.S. today with strong thunderstorms, heavy rain and possible flooding. The main zone for these hazards will be from portions of the Mid-Atlantic into parts of the Northeast, as a tremendous amount of moisture interacts with the cold front. This includes a portion of the I-95 corridor from Baltimore to Philadelphia and New York City. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

A Few Clouds

77°F

25°C

Humidity	79%
Wind Speed	SE 17 mph
Barometer	30.02 in (1016.5 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	23 Sep 1:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

West Mystic CT

This
Afternoon

Scattered
Showers
High: 76 °F
Tonight

Heavy Rain
Low: 67 °F
Friday

Heavy Rain
High: 71 °F
Friday
Night

Chance
Showers
Low: 55 °F
Saturday

Mostly Sunny
High: 73 °F
Saturday
Night

Partly Cloudy
Low: 58 °F
Sunday

Sunny
High: 73 °F
Sunday
Night

Mostly Clear
Low: 54 °F
Monday

Sunny
High: 71 °F

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Mostly sunny, with a high near 76. Southeast wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 67. Southeast wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.

Friday

Showers and possibly a thunderstorm before 2pm, then showers likely. Some of the storms could produce gusty winds and heavy rain. High near 71. South wind 7 to 14 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A 40 percent chance of showers, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 55. West wind around 6 mph becoming light and variable.

Saturday

Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 58.

Sunday

Sunny, with a high near 73.

Sunday Night

Mostly clear, with a low around 54.

Monday

Sunny, with a high near 71.

Monday Night

Partly cloudy, with a low around 56.