Rosario SPB Weather Forecast
- 48
- 54
Rain Likely
- 46
- 57
Chance Rain
- 50
- 57
Rain
- 51
- 59
Rain
- 47
- 57
Rain
- 45
- 53
Rain Showers
- 43
- 53
Rain
Today 20 Oct San Juan County
Mostly cloudy. A slight chance of rain in the Morning, then a chance of rain late in the morning. Rain likely in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph becoming southeast in the afternoon. Gusts to 25 Mph.
Tonight 20 Oct San Juan County
Mostly cloudy with a chance of rain until early Morning, then mostly cloudy in the morning. Lows in the mid to upper 40s. Southeast wind to 10 Mph.
Rosario SPB Temperature Statistics
October Temperature
Eastsound, Orcas Island Airport (4.3 miles)
Lowest 15 October, 2025
39.2 °FAverage October
52.5 °FHighest 1 October, 2025
68 °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