Wind
5 mph
WNW
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Groton, CT
Active Alerts 1 active
Hour-by-Hour Current Observation
Clear
Wind
5 mph
WNW
UV Index
8
Very High
Humidity
74%
Dew 71°F
Sun
5:50 AM · 7:56 PM
Rise · Set
Source: WILLIMANTIC (KIJD). Slider scrubs the next 12 hours.
5-Day Outlook
Saturday
Mostly Cloudy
Overnight: Slight Chance of Rain
Saturday
Patchy fog between 8am and 9am. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Heat index values as high as 96. Southwest wind 2 to 9 mph.
Night
A slight chance of rain showers between 8pm and 11pm. Partly cloudy, with a low around 73. Southwest wind 2 to 8 mph. Chance of precipitation is 20%.
Sunday
Partly Sunny
Overnight: Mostly Clear
Sunday
Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. Heat index values as high as 96. West wind 2 to 9 mph.
Night
Mostly clear, with a low around 66. West wind 1 to 6 mph.
Monday
Mostly Sunny
Overnight: Partly Cloudy
Monday
Sunny. High near 86, with temperatures falling to around 84 in the afternoon.
Night
Partly cloudy, with a low around 71.
Tuesday
Chance of Scattered Thunderstorms
Overnight: Chance of Rain
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
Chance of Rain Showers
Overnight: Chance of Rain
Wednesday
A slight chance of rain showers before 2pm. Mostly sunny, with a high near 83.
Night
A chance of rain showers after 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Groton, CT Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Groton, CT.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.