| National Weather Service Forecast for:
Groton CT Issued by: National Weather Service New York, NY |
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| Updated: 3:30 am EST Dec 5, 2025 | ||||||||||||||||||
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| Today |
Mostly sunny, with a high near 34. Wind chill values between 5 and 15. North wind 5 to 7 mph becoming south in the afternoon. |
| Tonight |
A 20 percent chance of light snow after 4am. Increasing clouds, with a low around 26. Light and variable wind. |
| Saturday |
A slight chance of snow and freezing rain before 9am, then a slight chance of rain and snow between 9am and 1pm. Mostly cloudy, with a high near 42. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%. |
| Saturday Night |
Partly cloudy, with a low around 27. Wind chill values between 20 and 25. Northwest wind around 9 mph. |
| Sunday |
Increasing clouds, with a high near 41. Northwest wind 6 to 8 mph becoming south in the afternoon. |
| Sunday Night |
A 30 percent chance of snow showers before 4am. Mostly cloudy, with a low around 23. |
| Monday |
Mostly sunny, with a high near 32. |
| Monday Night |
Mostly clear, with a low around 18. |
| Tuesday |
Partly sunny, with a high near 39. |
| Tuesday Night |
Mostly cloudy, with a low around 33. |
| Wednesday |
A 30 percent chance of rain. Mostly cloudy, with a high near 48. |
| Wednesday Night |
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%. |
| Thursday |
A 40 percent chance of rain. Mostly cloudy, with a high near 45. |
Forecast from NOAA-NWS for Groton CT.
