Blakely Island Weather Forecast
- 40
- 48
Slight Chance Rain
- 41
- 48
Partly Sunny
- 41
- 48
Partly Sunny
- 45
- 49
Mostly Cloudy
- 44
- 51
Mostly Cloudy
- 45
- 51
Chance Rain
- 46
- 52
Chance Rain
Today 30 Oct San Juan County
Mostly cloudy with a chance of rain. Highs in the lower to mid 50s.
Tonight 30 Oct San Juan County
Mostly cloudy until early morning then becoming partly cloudy. A slight chance of rain in the evening. Lows in the upper 30s to mid 40s. Light wind.
Blakely Island Temperature Statistics
October Temperature
Friday Harbor Airport (10.6 miles)
Lowest 12 October, 2026
41 °FAverage October
51.7 °FHighest 2 October, 2026
66 °F
Climate (2021–2026)
Friday Harbor Airport (10.6 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
52 °FAverage High 2021–2026
59.7 °F