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Oswegatchie, Connecticut Weather Forecast
Oswegatchie, Connecticut Weather
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Weather Forecast for Oswegatchie, Connecticut : New London County
Issued: 1:01 am EST Dec 15, 2025 Latitude: 41.355098 Longitude: -72.1761892 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Overnight Increasing Clouds on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday 50% chance of rain on Friday Partly Sunny on Saturday 30% chance of rain on Sunday
Low: 12°F High: 29°F High: 34°F High: 44°F High: 52°F High: 51°F High: 41°F High: 46°F
Low: 19°F Low: 29°F Low: 27°F Low: 46°F Low: 20°F Low: 32°F  
Mostly Clear Increasing Clouds Sunny Mostly Sunny Mostly Sunny Rain Partly Sunny Rain
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Current Conditions at
GROTON - (KGON)
18°
Feels like 2°F
Clear
as of 12:56 AM EST
Rel. Humidity: 57%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 25 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
WESTERLY STATE ARPT - (KWST)
19°
Mostly Cloudy
as of 12:53 AM EST
Rel. Humidity: 67%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
8 MPH
300° Northwest
Cloud Level(s): Few at 2900ft, Broken at 3900ft
Current Conditions at
MONTAUK - (KMTP)
21°
Feels like 5°F
Clear
as of 12:54 AM EST
Rel. Humidity: 57%
Dew Point: 9°F
Pressure: 30.00 in.
Wind Data
21 MPH
Gust: 33 MPH
330° Northwest
Current Conditions at
WILLIMANTIC - (KIJD)
16°
Feels like 2°F
Clear
as of 12:52 AM EST
Rel. Humidity: 47%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 25 MPH
320° Northwest
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 12. Wind chill values between zero and 5. Northwest wind around 11 mph, with gusts as high as 29 mph.

Increasing Clouds on Monday Monday... Increasing clouds, with a high near 29. Wind chill values between zero and 10. Northwest wind 9 to 13 mph, with gusts as high as 24 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 19. West wind 3 to 5 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 34. Wind chill values between 15 and 25. West wind 3 to 6 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a steady temperature around 29. Calm wind becoming southwest 5 to 7 mph after midnight. Winds could gust as high as 20 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 44.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 27.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 52.

90% chance of rain Thursday Night Thursday Night... Rain, mainly after 1am. Low around 46. Chance of precipitation is 90%.

50% chance of rain Friday Friday... A 50 percent chance of rain before 1pm. Partly sunny, with a high near 51.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 20.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 41.

30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain. Mostly cloudy, with a low around 32.

30% chance of rain Sunday Sunday... A 30 percent chance of rain. Partly sunny, with a high near 46.

Current Radar Image


Sun Almanac for Oswegatchie, Connecticut
Sunrise: 07:08 AM
Sunset: 4:20 PM
Civil Sunrise:06:37 AM
Civil Sunset: 4:51 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:26 PM
Astro Sunrise: 05:28 AM
Astro Sunset: 6:00 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.