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:
  • 7:05 AM EST
  • Sunset:
  • 4:45 PM EST
  • Moonrise:
  • 8:44 AM EST
  • Moonset:
  • 7:57 PM EST

TONIGHT

CLEAR

Lo: 14°F

WEDNESDAY

PARTLY SUNNY
Hi: 39°F
Lo: 31°F

THURSDAY

MOSTLY SUNNY
Hi: 41°F
Lo: 29°F

FRIDAY

PARTLY SUNNY
Hi: 31°F
Lo: 10°F
Weather Forecast In Detail:
Forecast Issued: 103 AM EST Wed Jan 21 2026

Rest Of Tonight...Clear. Near steady temperature around 14. West winds 5 to 10 mph.
Wednesday...Sunny in the morning, then becoming partly sunny. Not as cool with highs in the upper 30s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Wednesday Night...Cloudy. A chance of rain. Not as cool with lows in the lower 30s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.
Thursday...Mostly sunny. Highs in the lower 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Thursday Night...Mostly cloudy. Lows in the upper 20s. West winds 10 to 15 mph. Gusts up to 30 mph, Decreasing to 20 mph after midnight.
Friday...Partly sunny. Cooler with highs in the lower 30s.
Friday Night And Saturday...Partly cloudy. Cold. Lows around 10 above. Highs 15 to 20.
Saturday Night...Mostly cloudy with a 40 percent chance of snow. Lows around 10 above.
Sunday...Cloudy with a 50 percent chance of snow. Cold with highs in the lower 20s.
Sunday Night And Monday...Mostly cloudy. A 50 percent chance of snow. Cold. Lows 10 to 15. Highs in the mid 20s.
Monday Night...Partly cloudy with a 30 percent chance of snow. Lows 10 to 15.
Tuesday...Mostly sunny. Highs in the mid 20s.
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