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Groton, Connecticut

Current conditions and the National Weather Service 7-day forecast for Groton, Connecticut — temperature, rain chance, wind, radar and active alerts.

Saturday Aug 29 night: a low around 64°F. Sunday Aug 30: a high near 76°F and a low around 67°F. The wettest day looks like Tuesday Sep 1, near 0.34 in. Highs over the period run 73°F to 81°F.

National Weather Service forecast for Groton, Connecticut
DayHighLowPrecip
Saturday Aug 2964°
Sunday Aug 3076°67°0.15 in
Monday Aug 3175°66°0.03 in
Tuesday Sep 173°65°0.34 in
Wednesday Sep 278°66°
Thursday Sep 381°63°
Friday Sep 477°60°
Saturday Sep 575°

NOAA NWS NDFD 2.5 km, run 2026-08-29 23:00 UTC · days are local time in America/New York. The live page updates continuously.

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