Marine Weather Net

Stuart Island, WA Weather Forecast




Roche Harbor, Washington

 Lat: 48.61N, Lon: 123.15W

Current Conditions Updated: 1053 PM PDT MON MAY 18 2026

Partly Cloudy
Temp: 52°F
  • Humidity:
  • 76%
  • Winds:
  • 6 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.22 in.
  • Dewpoint:
  • 45°F
  • Heat index:
  • 52°F

  • Sunrise:
  • 5:25 AM PDT
  • Sunset:
  • 8:50 PM PDT
  • Moonrise:
  • 7:36 AM PDT
  • Moonset:
  • 12:05 AM PDT

TONIGHT

PARTLY CLOUDY
Lo: 50°F

TUESDAY

MOSTLY CLOUDY
Hi: 65°F
Lo: 50°F

WEDNESDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 50°F

THURSDAY

MOSTLY SUNNY
Hi: 70°F
Lo: 53°F
Weather Forecast In Detail:
Forecast Issued: 237 PM PDT Mon May 18 2026

Tonight...Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. Southwest wind 10 to 15 mph.
Tuesday...Mostly cloudy. Highs in the 60s. South wind to 10 mph in the morning becoming light.
Tuesday Night...Mostly cloudy. Lows near 50. Light wind.
Wednesday...Mostly sunny. Highs in the 60s to lower 70s. Light wind becoming northwest to 10 mph in the afternoon.
Wednesday Night...Partly cloudy. Lows near 50. Light wind.
Thursday...Mostly sunny. Highs near 70.
Thursday Night...Partly cloudy. Lows in the lower to mid 50s.
Friday...Mostly sunny. Highs near 70.
Friday Night...Partly cloudy. Lows in the lower 50s.
Saturday...Partly sunny. Highs near 70.
Saturday Night...Partly cloudy in the evening then becoming mostly cloudy. Lows near 50.
Sunday...Partly sunny. Highs in the mid to upper 60s.
Sunday Night...Mostly cloudy with a chance of rain. Lows near 50.
Memorial Day...Partly sunny with a slight chance of rain. Highs in the 60s. && temperature / precipitation Friday harbor 48 66 49 67 / 10 eastsound 52 64 52 65 / 10
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