Barnes Island Weather Forecast
- 55
- 64
Rain Likely
- 52
- 61
Rain
- 52
- 61
Mostly Sunny
- 55
- 66
Mostly Sunny
- 51
- 62
Chance Rain Showers
- 51
- 60
Chance Rain Showers
- 52
- 61
Partly Sunny
Today 13 Sep San Juan County
Mostly cloudy in the morning then becoming mostly sunny. Areas of fog until late afternoon. Highs in the mid 60s to lower 70s. Light wind.
Tonight 13 Sep San Juan County
Mostly cloudy. A slight chance of Showers after midnight. A chance of Showers in the morning. Lows in the 50s. Light wind.
Barnes Island Temperature Statistics
September Temperature
Eastsound, Orcas Island Airport (5.6 miles)
Lowest 11 September, 2025
51.8 °FAverage September
62.4 °FHighest 2 September, 2025
73.4 °F
Climate (2020–Present)
Eastsound, Orcas Island Airport (5.6 miles)
Average Low 2020–2025
46.1 °FAverage 2020–2025
51.8 °FAverage High 2020–2025
57.6 °F