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:
  • 6:59 AM EDT
  • Sunset:
  • 6:48 PM EDT
  • Moonrise:
  • 4:13 AM EDT
  • Moonset:
  • 12:59 PM EDT

TODAY

PARTLY SUNNY
Hi: 45°F
Lo: 35°F

SATURDAY

MOSTLY SUNNY
Hi: 49°F
Lo: 30°F

SUNDAY

MOSTLY CLOUDY
Hi: 41°F
Lo: 39°F

MONDAY

RAIN
Hi: 55°F
Lo: 32°F
Precip: 100%
Weather Forecast In Detail:
Forecast Issued: 404 AM EDT Fri Mar 13 2026

Today...Sunny this morning, then becoming partly sunny. Highs in the mid 40s. West winds 5 to 10 mph, becoming southwest 10 to 15 mph this afternoon.
Tonight...Mostly cloudy with a 40 percent chance of rain. Lows in the mid 30s. South winds 15 to 20 mph with gusts up to 30 mph.
Saturday...Mostly sunny. Highs in the upper 40s. West winds 15 to 20 mph with gusts up to 40 mph.
Saturday Night...Mostly clear. Lows around 30. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Sunday...Mostly cloudy. Highs in the lower 40s. North winds around 5 mph, becoming southeast in the afternoon.
Sunday Night...Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.
Monday...Rain, breezy and not as cool with highs in the mid 50s. Chance of rain near 100 percent.
Monday Night...Rain. Very windy with lows in the lower 40s. Chance of rain 90 percent.
Tuesday...Rain likely. Windy. Near steady temperature in the mid 40s. Chance of rain 60 percent.
Tuesday Night...Partly cloudy. Much cooler with lows in the mid 20s.
Wednesday...Sunny. Highs in the upper 30s.
Wednesday Night...Partly cloudy. Lows in the upper 20s.
Thursday...Partly sunny. Highs in the lower 40s.
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