Marine Weather Net

Portsmouth, RI Weather Forecast


Marine Forecast: Narragansett Bay


Portsmouth, Rhode Island

 Lat: 41.60N, Lon: 71.25W

Current Conditions Updated: 435 AM EDT SAT OCT 25 2025

Clear


Temp: N/A
  • Humidity:
  • N/A
  • Winds:
  • 12 MPH WNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.22 in.
  • Dewpoint:
  • N/A
  • Heat index:
  • N/A

  • Sunrise:
  • 7:06 AM EDT
  • Sunset:
  • 5:48 PM EDT
  • Moonrise:
  • 11:24 AM EDT
  • Moonset:
  • 7:53 PM EDT

TODAY

SUNNY

Hi: 59°F
Lo: 39°F

SUNDAY

MOSTLY SUNNY
Hi: 55°F
Lo: 39°F

MONDAY

MOSTLY SUNNY
Hi: 51°F
Lo: 45°F

WEDNESDAY

CHANCE OF SHOWERS
Hi: 55°F
Lo: 45°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 402 AM EDT Sat Oct 25 2025

Today...Sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph. Gusts up to 20 mph this morning.
Tonight...Mostly cloudy. Lows in the upper 30s. North winds 5 to 10 mph.
Sunday...Mostly sunny. Highs in the mid 50s. North winds 5 to 10 mph.
Sunday Night...Partly cloudy. Lows in the upper 30s. North winds 5 to 10 mph.
Monday...Mostly sunny. Highs in the lower 50s. North winds 10 to 15 mph.
Monday Night...Mostly cloudy. Lows in the lower 40s.
Tuesday And Tuesday Night...Mostly cloudy with a 50 percent chance of showers. Highs in the lower 50s. Lows in the mid 40s.
Wednesday...Mostly cloudy with a 40 percent chance of showers. Highs in the mid 50s.
Wednesday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Highs in the upper 50s.
Thursday...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Highs in the upper 50s.
Friday...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Highs in the upper 50s.
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