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

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

70°F

21°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 68°F (20°C)
Visibility 1.00 mi
Last update 18 Jun 2:56 pm EDT
Extended Forecast for

Norwich CT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, with a high near 77. South wind around 7 mph.

    High: 77 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Cloudy, with a low around 66. Light south wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Partly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 13 mph.

    High: 88 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 65. West wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 84. Northwest wind around 10 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, with a high near 77. South wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Cloudy, with a low around 66. Light south wind. Chance of precipitation is 30%.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Partly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 13 mph.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 65. West wind 8 to 10 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 84. Northwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Norwich CT
 41.54°N 72.1°W (Elev. 98 ft)
Last Update:
10:28 am EDT Jun 18, 2025
Forecast Valid:
3pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation