Marine Weather Net

Portsmouth, RI Weather Forecast


Marine Forecast: Narragansett Bay


Portsmouth, Rhode Island

 Lat: 41.60N, Lon: 71.25W

Current Conditions Updated: 150 PM EDT SUN JUL 19 2026

Partly Cloudy
Temp: 78°F
  • Humidity:
  • 41%
  • Winds:
  • 15 MPH NNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.75 in.
  • Dewpoint:
  • 53°F
  • Heat index:
  • 79°F

  • Sunrise:
  • 5:26 AM EDT
  • Sunset:
  • 8:13 PM EDT
  • Moonrise:
  • 11:30 AM EDT
  • Moonset:
  • 11:03 PM EDT

THIS AFTERNOON

SUNNY

Lo: 60°F

MONDAY

SUNNY

Hi: 79°F
Lo: 65°F

TUESDAY

CHANCE OF SHOWERS
Hi: 79°F
Lo: 69°F
Precip: 40%

WEDNESDAY

CHANCE OF T-STORM
Hi: 79°F
Lo: 65°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 103 PM EDT Sun Jul 19 2026

HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT THIS EVENING
This Afternoon...Sunny. Near steady temperature in the mid 70s. Northwest winds around 10 mph.
Tonight...Clear. Lows around 60. Northwest winds 5 to 10 mph.
Monday...Sunny. Highs in the upper 70s. Northwest winds around 5 mph, becoming southwest in the afternoon.
Monday Night...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph.
Tuesday...Mostly cloudy with a chance of showers and thunderstorms. Humid with highs in the upper 70s. South winds 10 to 15 mph. Chance of rain 40 percent.
Tuesday Night...Showers with a chance of thunderstorms. Lows in the upper 60s. Chance of rain near 100 percent.
Wednesday...Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.
Wednesday Night...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.
Thursday...Mostly sunny. Highs in the upper 70s.
Thursday Night And Friday...Mostly clear. Lows in the mid 60s. Highs around 80.
Friday Night...Partly cloudy. Lows in the mid 60s.
Saturday...Sunny. Highs in the lower 80s.
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