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 FRI OCT 9 2026

Clear


Temp: 57°F
  • Humidity:
  • 54%
  • Winds:
  • 7 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.23 in.
  • Dewpoint:
  • 41°F
  • Heat index:
  • 57°F

  • Sunrise:
  • 6:49 AM EDT
  • Sunset:
  • 6:12 PM EDT
  • Moonrise:
  • 6:50 AM EDT
  • Moonset:
  • 5:54 PM EDT

TODAY

MOSTLY SUNNY
Hi: 61°F
Lo: 45°F

SUNDAY

CHANCE OF SHOWERS
Hi: 61°F
Lo: 59°F
Precip: 40%

COLUMBUS DAY

SHOWERS
Hi: 65°F
Lo: 55°F
Precip: 70%

TUESDAY

PARTLY SUNNY
Hi: 65°F
Lo: 55°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 702 AM EDT Sat Oct 10 2026

Today...Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph.
Tonight...Partly cloudy. Lows in the mid 40s. Southeast winds around 5 mph.
Sunday...Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
Sunday Night...Showers. Patchy fog. Locally heavy rainfall possible. Not as cool. Near steady temperature in the upper 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
Columbus Day...Showers likely. Highs in the mid 60s. North winds 10 to 15 mph. Chance of rain 70 percent.
Monday Night...Mostly clear. Lows in the mid 50s.
Tuesday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
Tuesday Night...Showers likely with a chance of thunderstorms. Lows in the mid 50s. Chance of rain 70 percent.
Wednesday...Partly sunny with a 40 percent chance of showers. Highs in the lower 60s.
Wednesday Night...Partly cloudy. Lows in the upper 40s.
Thursday...Sunny. Highs in the lower 60s.
Thursday Night...Partly cloudy. Lows in the upper 40s.
Friday...Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.
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