Marine Weather Net

Jamestown, RI Weather Forecast


Marine Forecast: Narragansett Bay


Jamestown, Rhode Island

 Lat: 41.48N, Lon: 71.37W

Current Conditions Updated: 653 PM EDT SUN NOV 2 2025

Clear


Temp: 50°F
  • Humidity:
  • 51%
  • Winds:
  • 5 MPH WNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.26 in.
  • Dewpoint:
  • 33°F
  • Heat index:
  • 50°F

  • Sunrise:
  • 5:56 AM EDT
  • Sunset:
  • 7:39 PM EDT
  • Moonrise:
  • 12:33 PM EDT
  • Moonset:
  • 10:17 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 70°F

WEDNESDAY

SUNNY

Hi: 81°F
Lo: 75°F

THURSDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 65°F

FRIDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 1003 PM EDT Tue Aug 18 2026

Overnight...Partly cloudy. Patchy fog. Near steady temperature around 70. Southwest winds around 5 mph.
Wednesday...Sunny. Patchy fog in the morning. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph.
Wednesday Night...Partly cloudy. Patchy fog after midnight. Humid with lows around 70. Southwest winds 5 to 10 mph.
Thursday...Mostly sunny. Patchy fog. Humid with highs in the lower 80s. West winds 5 to 10 mph.
Thursday Night...Mostly cloudy. Humid with lows in the mid 60s. West winds 5 to 10 mph, becoming northwest after midnight.
Friday...Mostly sunny. Highs in the upper 70s.
Friday Night...Mostly cloudy. Lows in the mid 60s.
Saturday...Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
Saturday Night And Sunday...Showers likely. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 60 percent.
Sunday Night...Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.
Monday...Mostly clear. Highs in the upper 70s. Lows in the mid 60s.
Tuesday...Mostly clear. Highs in the upper 70s. Lows in the mid 60s.
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