Marine Weather Net

Jamestown, RI Weather Forecast


Marine Forecast: Narragansett Bay


Jamestown, Rhode Island

 Lat: 41.48N, Lon: 71.37W

Current Conditions Updated: 450 PM EDT TUE SEP 29 2026

Overcast
Temp: 66°F
  • Humidity:
  • 72%
  • Winds:
  • 6 MPH NNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.94 in.
  • Dewpoint:
  • 57°F
  • Heat index:
  • 66°F

  • Sunrise:
  • 6:37 AM EDT
  • Sunset:
  • 6:31 PM EDT
  • Moonrise:
  • 7:48 PM EDT
  • Moonset:
  • 10:08 AM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 59°F

WEDNESDAY

MOSTLY SUNNY
Hi: 69°F
Lo: 59°F

THURSDAY

PARTLY SUNNY
Hi: 71°F
Lo: 65°F

FRIDAY

MOSTLY SUNNY
Hi: 75°F
Lo: 61°F
Weather Forecast In Detail:
Forecast Issued: 404 PM EDT Tue Sep 29 2026

Tonight...Mostly cloudy. Lows in the upper 50s. West winds around 5 mph, becoming north after midnight.
Wednesday...Mostly sunny. Highs in the upper 60s. North winds around 5 mph, becoming southwest in the afternoon.
Wednesday Night...Mostly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph.
Thursday...Partly sunny. Highs in the lower 70s. Southwest winds 10 to 15 mph.
Thursday Night...Partly cloudy. Lows in the mid 60s. Southwest winds 10 to 15 mph.
Friday...Mostly sunny. Highs in the mid 70s.
Friday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the lower 60s.
Saturday...Partly sunny with a 30 percent chance of showers. Highs in the upper 60s.
Saturday Night...Partly cloudy. Lows in the lower 50s.
Sunday And Sunday Night...Mostly cloudy. A 40 percent chance of showers. Highs in the lower 60s. Lows in the mid 50s.
Monday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
Monday Night And Tuesday...Mostly clear. Lows in the upper 40s. Highs in the upper 50s.
SHARE THIS PAGE: