Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed SE 6 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 45°F (7°C)
Visibility 2.00 mi
Wind Chill43°F (6°C)
Last update 19 Apr 1:56 am EDT
Extended Forecast for

Old Saybrook Center CT

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 5am.  Patchy fog.  Otherwise, cloudy, with a steady temperature around 47. Light southeast wind.

    Low: 47 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers.  Patchy fog before 11am. Temperature rising to near 49 by 11am, then falling to around 44 during the remainder of the day. East wind 6 to 11 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers likely before 8pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 38. West wind 5 to 9 mph.  Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely then
    Clear

  • Monday

    Monday: A 30 percent chance of showers.  Increasing clouds, with a high near 46. West wind 5 to 8 mph.

    High: 46 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. North wind around 9 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 40.

    Low: 40 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a steady temperature around 47. Light southeast wind.
Sunday
Showers. Patchy fog before 11am. Temperature rising to near 49 by 11am, then falling to around 44 during the remainder of the day. East wind 6 to 11 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 38. West wind 5 to 9 mph. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Increasing clouds, with a high near 46. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 33. North wind around 9 mph.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Increasing clouds, with a low around 40.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
2:19 am EDT Apr 19, 2026
2am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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