Marine Weather Net

Portsmouth, RI Weather Forecast


Marine Forecast: Narragansett Bay


Portsmouth, Rhode Island

 Lat: 41.60N, Lon: 71.25W

Current Conditions Updated: 235 AM EST THU JAN 1 2026

Precipitation
Temp: N/A
  • Humidity:
  • N/A
  • Winds:
  • 10 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.61 in.
  • Dewpoint:
  • N/A
  • Heat index:
  • N/A

  • Sunrise:
  • 7:10 AM EST
  • Sunset:
  • 4:23 PM EST
  • Moonrise:
  • 2:17 PM EST
  • Moonset:
  • 5:35 AM EST

TONIGHT

SNOW
Lo: 30°F
Precip: 100%

THURSDAY

SNOW SHOWERS
Hi: 35°F
Lo: 20°F
Precip: 40%

FRIDAY

MOSTLY SUNNY
Hi: 29°F
Lo: 21°F

SATURDAY

MOSTLY SUNNY
Hi: 31°F
Lo: 21°F
Weather Forecast In Detail:
Forecast Issued: 103 AM EST Thu Jan 01 2026

WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 PM EST THURSDAY
Rest Of Tonight...Snow. Total snow accumulation of 2 to 4 inches. Near steady temperature in the lower 30s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of snow near 100 percent.
Thursday...Partly sunny with scattered snow showers in the morning, then sunny in the afternoon. Light freezing spray in the afternoon. Blustery with highs in the mid 30s. Temperature falling into the lower 20s in the afternoon. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 40 percent.
Thursday Night...Mostly clear. Light freezing spray. Blustery, cooler. Near steady temperature around 20. West winds 15 to 25 mph. Gusts up to 40 mph, Decreasing to 30 mph after midnight.
Friday...Mostly sunny. Highs in the upper 20s. West winds 10 to 15 mph with gusts up to 25 mph.
Friday Night...Mostly clear. Lows in the lower 20s. West winds 5 to 10 mph with gusts up to 20 mph.
Saturday...Mostly sunny. Highs in the lower 30s.
Saturday Night...Mostly cloudy with a 30 percent chance of snow. Lows in the lower 20s.
Sunday...Partly sunny. Highs in the lower 30s.
Sunday Night...Mostly clear. Lows 15 to 20.
Monday...Mostly sunny. Highs in the lower 30s.
Monday Night And Tuesday...Mostly cloudy. Lows in the mid 20s. Highs in the upper 30s.
Tuesday Night...Mostly cloudy. Near steady temperature in the mid 30s.
Wednesday...Mostly cloudy with a 30 percent chance of rain. Highs in the lower 40s.
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