Marine Weather Net

Jamestown, RI Weather Forecast


Marine Forecast: Narragansett Bay


Jamestown, Rhode Island

 Lat: 41.48N, Lon: 71.37W

Current Conditions Updated: 555 AM EDT WED SEP 9 2026

Clear


Temp: 62°F
  • Humidity:
  • 93%
  • Winds:
  • 3 MPH WNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.23 in.
  • Dewpoint:
  • 60°F
  • Heat index:
  • 62°F

  • Sunrise:
  • 6:17 AM EDT
  • Sunset:
  • 7:05 PM EDT
  • Moonrise:
  • 4:24 AM EDT
  • Moonset:
  • 6:22 PM EDT

TODAY

PARTLY SUNNY
Hi: 79°F
Lo: 70°F

THURSDAY

PARTLY SUNNY
Hi: 81°F
Lo: 60°F
Precip: 40%

FRIDAY

SUNNY

Hi: 75°F
Lo: 65°F

MONDAY

PARTLY CLOUDY
Hi: 79°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 403 AM EDT Wed Sep 09 2026

Today...Partly sunny. Highs in the upper 70s. Southeast winds around 5 mph, becoming south 10 to 15 mph with gusts up to 25 mph this afternoon.
Tonight...Mostly cloudy with a slight chance of showers in the evening, then partly cloudy with a chance of showers after midnight. Humid. Near steady temperature in the lower 70s. Southwest winds 15 to 20 mph. Gusts up to 25 mph, increasing to 40 mph after midnight. Chance of rain 50 percent.
Thursday...Partly sunny. A chance of showers in the morning. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 40 percent.
Thursday Night...Mostly cloudy. Cooler with lows around 60. Northwest winds 10 to 15 mph.
Friday...Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph, becoming west in the afternoon.
Friday Night...Mostly clear. Lows in the mid 50s.
Saturday And Saturday Night...Partly cloudy. Highs in the lower 70s. Lows in the lower 60s.
Sunday And Sunday Night...Mostly cloudy. A 30 percent chance of showers. Highs in the upper 70s. Lows in the mid 60s.
Monday...Partly cloudy. Highs in the upper 70s. Lows in the mid 60s.
Tuesday...Partly cloudy. Highs in the upper 70s. Lows in the mid 60s.
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