Orcas Island - Rosario Weather Forecast
- 59
- 72
Mostly Sunny
- 61
- 75
Sunny
- 62
- 76
Sunny
- 59
- 75
Mostly Sunny
- 56
- 70
Partly Sunny
- 56
- 68
Partly Sunny
- 56
- 68
Mostly Cloudy
Today 9 Aug San Juan County
Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.
Tonight 9 Aug San Juan County
Mostly clear. Lows in the mid 50s to lower 60s. Light wind.
Orcas Island - Rosario Temperature Statistics
August Temperature
Eastsound, Orcas Island Airport (4.3 miles)
Lowest 3 August, 2025
55.4 °FAverage August
63 °FHighest 1 August, 2025
71.6 °F
Climate (2020–Present)
Eastsound, Orcas Island Airport (4.3 miles)
Average Low 2020–2025
46 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
57.6 °F