Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
49°F
9°C
| Humidity | 80% |
| Wind Speed | SW 10 mph |
| Barometer | 29.95 in (1014.3 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 7.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 21 Nov 2:56 pm EST |
Extended Forecast for
Mystic CT
Tonight
Low: 39 °F
Cloudy then
Showers
LikelySaturday

High: 49 °F
Showers
LikelySaturday Night

Low: 29 °F
Frost
Sunday

High: 47 °F
Frost then
Mostly SunnySunday Night

Low: 35 °F
Partly Cloudy
then Areas
FrostMonday

High: 49 °F
Sunny
Monday Night

Low: 34 °F
Increasing
CloudsTuesday
High: 53 °F
Mostly Cloudy
then Chance
RainTuesday Night

Low: 46 °F
Rain Likely
Detailed Forecast
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 39. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
Showers likely before 10am, then a chance of rain between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 49. Light north wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%.
Saturday Night
Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 29. Northwest wind 3 to 6 mph.
Sunday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 47. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 35. West wind around 7 mph.
Monday
Sunny, with a high near 49.
Monday Night
Increasing clouds, with a low around 34.
Tuesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 53.
Tuesday Night
Rain likely. Cloudy, with a low around 46. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 58.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Thanksgiving Day
A 30 percent chance of rain. Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 44.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mystic CT
41.35°N 71.96°W (Elev. 0 ft)
41.35°N 71.96°W (Elev. 0 ft)
3:11 pm EST Nov 21, 2025
3pm EST Nov 21, 2025-6pm EST Nov 28, 2025


