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Portsmouth, Rhode Island

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

Saturday Aug 29 night: a low around 65°F. Sunday Aug 30: a high near 80°F and a low around 65°F. The wettest day looks like Tuesday Sep 1, near 0.30 in. Highs over the period run 74°F to 81°F.

National Weather Service forecast for Portsmouth, Rhode Island
DayHighLowPrecip
Saturday Aug 2965°
Sunday Aug 3080°65°0.06 in
Monday Aug 3175°66°
Tuesday Sep 174°66°0.30 in
Wednesday Sep 277°67°
Thursday Sep 381°65°
Friday Sep 476°62°
Saturday Sep 575°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/New York. The live page updates continuously.

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