Ayer Reservoir Weather Forecast
- 41
- 49
Rain Likely
- 42
- 49
Increasing Clouds
- 42
- 49
Partly Sunny
- 43
- 49
Mostly Cloudy
- 44
- 52
Mostly Cloudy
- 45
- 52
Chance Rain
- 45
- 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.
Ayer Reservoir Temperature Statistics
October Temperature
Eastsound, Orcas Island Airport (5 miles)
Lowest 12 October, 2026
39.2 °FAverage October
52.1 °FHighest 2 October, 2026
64.4 °F
Climate (2021–2026)
Eastsound, Orcas Island Airport (5 miles)
Average Low 2021–2026
46.2 °FAverage 2021–2026
52 °FAverage High 2021–2026
57.8 °F