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:
  • 5:59 AM EDT
  • Sunset:
  • 7:27 PM EDT
  • Moonrise:
  • 6:16 AM EDT
  • Moonset:
  • 9:31 PM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 50°F

SATURDAY

CLOUDY
Hi: 51°F
Lo: 45°F

SUNDAY

SNOW
Hi: 55°F
Lo: 35°F
Precip: 90%

TUESDAY

SUNNY

Hi: 49°F
Lo: 40°F
Weather Forecast In Detail:
Forecast Issued: 1003 PM EDT Fri Apr 17 2026

Overnight...Mostly cloudy. Areas of fog. Near steady temperature around 50. Northeast winds 5 to 10 mph.
Saturday...Cloudy. Areas of fog in the morning. Cooler with highs in the lower 50s. Northeast winds 5 to 10 mph.
Saturday Night...Cloudy. Areas of fog in the evening. Patchy fog after midnight. Lows in the mid 40s. East winds 5 to 10 mph, becoming south after midnight.
Sunday...Rain with snow likely. Patchy fog. Little or no snow accumulation. Highs in the mid 50s. South winds 5 to 10 mph, becoming west 10 to 15 mph in the afternoon. Chance of precipitation 90 percent.
Sunday Night...Rain and snow likely. Patchy fog. Little or no snow accumulation. Lows in the mid 30s. Northwest winds 10 to 15 mph. Chance of precipitation 70 percent.
Monday And Monday Night...Partly cloudy. Highs in the mid 40s. Lows in the mid 30s.
Tuesday...Sunny. Highs in the upper 40s.
Tuesday Night...Partly cloudy. Lows around 40.
Wednesday...Partly sunny. Highs in the upper 50s.
Wednesday Night...Partly cloudy. Lows in the lower 40s. Highs in the upper 50s.
Thursday...Partly cloudy. Lows in the lower 40s. Highs in the upper 50s.
Friday...Partly cloudy. Lows in the lower 40s. Highs in the upper 50s.
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