| National Weather Service Forecast for:
Groton CT Issued by: National Weather Service New York, NY |
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| Updated: 5:58 am EDT Jul 13, 2026 | ||||||||||||||||||
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| Today |
Sunny, with a high near 75. Light west wind becoming south 8 to 13 mph in the morning. |
| Tonight |
Mostly clear, with a low around 67. Southwest wind 9 to 11 mph. |
| Tuesday |
Sunny, with a high near 85. Southwest wind 10 to 17 mph. |
| Tuesday Night |
Mostly clear, with a low around 74. Southwest wind 13 to 17 mph. |
| Wednesday |
Sunny, with a high near 86. West wind around 11 mph. |
| Wednesday Night |
Partly cloudy, with a low around 69. |
| Thursday |
Mostly sunny, with a high near 83. |
| Thursday Night |
Partly cloudy, with a low around 67. |
| Friday |
Sunny, with a high near 88. |
| Friday Night |
Mostly clear, with a low around 66. |
| Saturday |
A 30 percent chance of showers. Mostly sunny, with a high near 85. |
| Saturday Night |
A 40 percent chance of showers. Mostly cloudy, with a low around 67. |
| Sunday |
A 30 percent chance of showers. Partly sunny, with a high near 87. |
Forecast from NOAA-NWS for Groton CT.
