Marine Weather Net

Portsmouth, RI Weather Forecast


Marine Forecast: Narragansett Bay


Portsmouth, Rhode Island

 Lat: 41.60N, Lon: 71.25W

Current Conditions Updated: 250 PM EDT FRI JUN 26 2026

Overcast
Temp: 73°F
  • Humidity:
  • 78%
  • Winds:
  • 7 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30 in.
  • Dewpoint:
  • 66°F
  • Heat index:
  • 74°F

  • Sunrise:
  • 5:11 AM EDT
  • Sunset:
  • 8:22 PM EDT
  • Moonrise:
  • 5:59 PM EDT
  • Moonset:
  • 2:15 AM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 61°F

SATURDAY

PARTLY SUNNY
Hi: 79°F
Lo: 61°F
Precip: 30%

SUNDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 61°F

MONDAY

SUNNY

Hi: 81°F
Lo: 69°F
Weather Forecast In Detail:
Forecast Issued: 403 PM EDT Fri Jun 26 2026

Tonight...Mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. South winds 5 to 10 mph, becoming southwest after midnight.
Saturday...Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 70s. Northwest winds around 5 mph, becoming south in the afternoon. Chance of rain 30 percent.
Saturday Night...Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph, becoming north after midnight.
Sunday...Mostly sunny. Humid with highs in the lower 80s. Northeast winds around 5 mph, becoming southeast in the afternoon.
Sunday Night...Partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph, becoming west after midnight.
Monday...Sunny. Highs in the lower 80s.
Monday Night And Tuesday...Partly cloudy. Lows in the mid 60s. Highs in the lower 80s.
Tuesday Night...Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30 percent.
Wednesday...Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 30 percent.
Wednesday Night And Thursday...Partly cloudy. Lows in the upper 60s. Highs in the mid 80s.
Thursday Night...Mostly clear. Lows in the lower 70s.
Friday...Partly sunny with a 30 percent chance of showers. Highs in the upper 80s.
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