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:
  • 6:42 AM EDT
  • Sunset:
  • 6:59 PM EDT
  • Moonrise:
  • 8:59 AM EDT
  • Moonset:
  • N/A EDT

TONIGHT

MOSTLY CLOUDY
Lo: 30°F

TUESDAY

MOSTLY SUNNY
Hi: 41°F
Lo: 35°F

WEDNESDAY

PARTLY SUNNY
Hi: 49°F
Lo: 40°F

THURSDAY

MOSTLY CLOUDY
Hi: 51°F
Lo: 29°F
Weather Forecast In Detail:
Forecast Issued: 404 PM EDT Mon Mar 23 2026

Tonight...Mostly cloudy. Patchy fog this evening. Lows around 30. North winds 10 to 15 mph.
Tuesday...Mostly sunny. Highs in the lower 40s. North winds 5 to 10 mph, becoming northwest in the afternoon.
Tuesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Wednesday...Partly sunny. Highs in the upper 40s. Southwest winds 10 to 15 mph.
Wednesday Night...Cloudy. Near steady temperature in the lower 40s. Southwest winds 10 to 15 mph.
Thursday...Mostly cloudy. Highs in the lower 50s.
Thursday Night And Friday...Rain likely. Lows in the mid 40s. Highs in the lower 50s. Chance of rain 60 percent.
Friday Night And Saturday...Partly cloudy. Lows in the mid 20s. Highs in the upper 30s.
Saturday Night...Partly cloudy. Lows in the upper 20s.
Sunday...Sunny. Highs in the mid 40s.
Sunday Night And Monday...Partly cloudy. Lows in the mid 30s. Highs in the upper 40s.
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