Marine Weather Net

Portsmouth, RI Weather Forecast


Marine Forecast: Narragansett Bay


Portsmouth, Rhode Island

 Lat: 41.60N, Lon: 71.25W

Current Conditions Updated: 1050 PM EDT WED AUG 26 2026

Clear


Temp: 68°F
  • Humidity:
  • 93%
  • Winds:
  • 6 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.06 in.
  • Dewpoint:
  • 66°F
  • Heat index:
  • 68°F

  • Sunrise:
  • 6:04 AM EDT
  • Sunset:
  • 7:25 PM EDT
  • Moonrise:
  • 7:15 PM EDT
  • Moonset:
  • 5:21 AM EDT

TODAY

PARTLY SUNNY
Hi: 79°F
Lo: 67°F

FRIDAY

PARTLY SUNNY
Hi: 79°F
Lo: 65°F

SATURDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 69°F

MONDAY

MOSTLY CLOUDY
Hi: 79°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 402 AM EDT Thu Aug 27 2026

Today...Partly sunny. Highs in the upper 70s. South winds 10 to 15 mph.
Tonight...Mostly cloudy. Patchy fog. A slight chance of showers after midnight. Humid with lows in the upper 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.
Friday...Partly sunny. Patchy fog in the morning. Humid with highs in the upper 70s. South winds 5 to 10 mph.
Friday Night...Mostly cloudy. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph, becoming northwest after midnight.
Saturday...Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph, becoming southeast in the afternoon.
Saturday Night...Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.
Sunday...Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.
Monday...Mostly cloudy. Highs in the upper 70s. Lows in the mid 60s.
Tuesday...Mostly cloudy. Highs in the upper 70s. Lows in the mid 60s.
Tuesday Night...Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
Wednesday...Partly sunny with a 40 percent chance of showers. Highs in the upper 70s.
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