Marine Weather Net

Jamestown, RI Weather Forecast


Marine Forecast: Narragansett Bay


Jamestown, Rhode Island

 Lat: 41.48N, Lon: 71.37W

Current Conditions Updated: 650 PM EDT TUE OCT 20 2026

Clear


Temp: 62°F
  • Humidity:
  • 55%
  • Winds:
  • 23 MPH NE
  • Gusts:
  • 30 MPH
  • Barometer:
  • 30.18 in.
  • Dewpoint:
  • 46°F
  • Heat index:
  • 62°F

  • Sunrise:
  • 7:00 AM EDT
  • Sunset:
  • 5:57 PM EDT
  • Moonrise:
  • 3:19 PM EDT
  • Moonset:
  • 12:49 AM EDT

TONIGHT

PARTLY CLOUDY
Lo: 49°F

WEDNESDAY

MOSTLY CLOUDY
Hi: 55°F
Lo: 45°F

THURSDAY

PARTLY SUNNY
Hi: 60°F
Lo: 41°F

FRIDAY

MOSTLY CLEAR
Hi: 55°F
Lo: 39°F
Weather Forecast In Detail:
Forecast Issued: 702 PM EDT Tue Oct 20 2026

Tonight...Clear this evening, then becoming partly cloudy. Lows in the upper 40s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Wednesday...Mostly cloudy. Highs in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night...Cloudy. Lows in the mid 40s. North winds 15 to 20 mph with gusts up to 30 mph.
Thursday...Partly sunny. Highs around 60. North winds 15 to 20 mph with gusts up to 30 mph.
Thursday Night...Mostly clear. Lows in the lower 40s. North winds 10 to 15 mph with gusts up to 25 mph.
Friday...Mostly clear. Highs in the mid 50s. Lows in the upper 30s.
Saturday...Mostly clear. Highs in the mid 50s. Lows in the upper 30s.
Saturday Night And Sunday...Clear. Lows in the lower 40s. Highs in the upper 50s.
Sunday Night...Clear. Lows in the upper 40s.
Monday And Monday Night...Mostly clear. Highs in the mid 60s. Lows in the upper 40s.
Tuesday...Mostly sunny. Highs around 60.
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