Orcas Island - Deer Harbor Weather Forecast
- 59
- 79
Increasing Clouds
- 57
- 78
Partly Sunny
- 57
- 75
Partly Sunny
- 57
- 76
Mostly Sunny
- 57
- 74
Mostly Sunny
- 58
- 73
Mostly Sunny
- 59
- 75
Mostly Sunny
Today 7 Aug San Juan County
Sunny. Highs in the upper 60s to mid 70s. Light wind.
Tonight 7 Aug San Juan County
Partly cloudy until early morning then becoming mostly cloudy. Lows in the 50s. Light wind.
Orcas Island - Deer Harbor Temperature Statistics
August Temperature
Friday Harbor Airport (6.8 miles)
Lowest 3 August, 2026
48.9 °FAverage August
62.6 °FHighest 4 August, 2026
78.1 °F
Climate (2021–2026)
Friday Harbor Airport (6.8 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
59.7 °F