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 THU JUL 16 2026

Hazy
Temp: 78°F
  • Humidity:
  • 50%
  • Winds:
  • 6 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.87 in.
  • Dewpoint:
  • 59°F
  • Heat index:
  • 79°F

  • Sunrise:
  • 5:23 AM EDT
  • Sunset:
  • 8:15 PM EDT
  • Moonrise:
  • 7:56 AM EDT
  • Moonset:
  • 9:57 PM EDT

TONIGHT

FAIR
Lo: 61°F

FRIDAY

SUNNY

Hi: 81°F
Lo: 61°F

SATURDAY

PARTLY SUNNY
Hi: 81°F
Lo: 67°F
Precip: 50%

SUNDAY

PARTLY SUNNY
Hi: 85°F
Lo: 65°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 1004 PM EDT Thu Jul 16 2026

Overnight...Mostly clear. Smoke. Lows in the lower 60s. North winds around 5 mph.
Friday...Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph, becoming southwest in the afternoon.
Friday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph.
Saturday...Partly sunny with a 50 percent chance of showers. Humid with highs in the lower 80s. South winds 15 to 20 mph.
Saturday Night...Showers with a chance of thunderstorms. Humid with lows in the upper 60s. Southwest winds 15 to 20 mph. Chance of rain near 100 percent.
Sunday...Partly sunny with a 50 percent chance of showers. Highs in the mid 80s.
Sunday Night And Monday...Mostly clear. Lows in the mid 60s. Highs around 80.
Monday Night...Partly cloudy. Lows in the mid 60s.
Tuesday...Partly sunny with a chance of showers. Highs around 80. Chance of rain 40 percent.
Tuesday Night And Wednesday...Showers likely. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 70 percent.
Wednesday Night...Showers likely. Lows in the mid 60s. Chance of rain 60 percent.
Thursday...Partly sunny with a 40 percent chance of showers. Highs in the lower 80s.
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