National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Southwest Monsoon Flooding

Monsoonal conditions in the Southwest will lead to threats of flash flooding through the weekend. Severe thunderstorms will be possible through Friday night in the northern tier of the country and Saturday afternoon in the vicinity of the Southern Great Lakes. Warm conditions have prompted Heat Advisories for portions of the Midwest and ArkLaMiss this weekend. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

60°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.09 in (1018.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Jul 5:56 am EDT
Extended Forecast for

Preston CTSimilar City Names

  • Today

    Today: Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.

    Sunny

    High: 80 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind 3 to 6 mph.

    Increasing
    Clouds

    Low: 64 °F

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. South wind 8 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 77 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph.

    Chance
    T-storms

    Low: 68 °F

  • Monday

    Monday: Mostly sunny, with a high near 88. West wind 5 to 8 mph.

    Mostly Sunny

    High: 88 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 66.

    Partly Cloudy

    Low: 66 °F

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 64. South wind 3 to 6 mph.
Sunday
A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. South wind 8 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 88. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 63.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 81.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Preston CTSimilar City Names
 41.55°N 71.98°W (Elev. 200 ft)
Last Update:
6:35 am EDT Jul 24, 2021
Forecast Valid:
6am EDT Jul 24, 2021-6pm EDT Jul 30, 2021
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation