Marine Weather Net

Jamestown, RI Weather Forecast


Marine Forecast: Narragansett Bay


Jamestown, Rhode Island

 Lat: 41.48N, Lon: 71.37W

Current Conditions Updated: 553 PM EST 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:
  • 6:17 AM EST
  • Sunset:
  • 5:36 PM EST
  • Moonrise:
  • 4:57 PM EST
  • Moonset:
  • 5:56 AM EST

TONIGHT

CLEAR

Lo: 19°F

TUESDAY

CHANCE OF SNOW
Hi: 41°F
Lo: 35°F
Precip: 100%

WEDNESDAY

MOSTLY SUNNY
Hi: 50°F
Lo: 31°F

THURSDAY

CHANCE OF RAIN
Hi: 45°F
Lo: 35°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 1005 PM EST Mon Mar 02 2026

Overnight...Clear, cold. Near steady temperature around 19. Light and variable winds, becoming south around 5 mph.
Tuesday...Rain with a chance of snow in the afternoon. Patchy fog in the afternoon. Little or no snow accumulation. Not as cool with highs in the lower 40s. Southeast winds 5 to 10 mph. Chance of precipitation near 100 percent.
Tuesday Night...Rain. Patchy fog. Not as cool with lows in the mid 30s. South winds 5 to 10 mph, becoming west with gusts up to 20 mph after midnight. Chance of rain near 100 percent.
Wednesday...Mostly sunny. Patchy fog. Highs around 50. Northwest winds 5 to 10 mph, becoming south in the afternoon.
Wednesday Night...Mostly cloudy. Lows in the lower 30s. Southwest winds around 5 mph.
Thursday...Mostly cloudy with a 30 percent chance of rain. Highs in the mid 40s.
Thursday Night And Friday...Rain likely. Near steady temperature in the upper 30s. Chance of rain 70 percent.
Friday Night...Cloudy. Near steady temperature in the mid 30s.
Saturday...Mostly cloudy. Highs in the upper 40s.
Saturday Night And Sunday...Mostly cloudy with a 40 percent chance of rain. Lows in the lower 40s. Highs in the mid 50s.
Sunday Night...Mostly cloudy with a 30 percent chance of rain. Lows in the lower 40s.
Monday...Mostly cloudy. Highs in the mid 50s.
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