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Northwest Harwinton, Connecticut

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

Saturday Aug 29 night: a low around 54°F. Sunday Aug 30: a high near 79°F and a low around 61°F. The wettest day looks like Tuesday Sep 1, near 0.45 in. Highs over the period run 74°F to 79°F.

National Weather Service forecast for Northwest Harwinton, Connecticut
DayHighLowPrecip
Saturday Aug 2954°
Sunday Aug 3079°61°0.21 in
Monday Aug 3179°62°
Tuesday Sep 176°62°0.45 in
Wednesday Sep 277°63°
Thursday Sep 378°60°
Friday Sep 475°57°
Saturday Sep 574°

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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