Roche Harbor SPB Weather Forecast
- 55
- 73
Rain Showers
- 56
- 70
Partly Sunny
- 56
- 71
Mostly Sunny
- 56
- 71
Sunny
- 58
- 73
Mostly Sunny
- 58
- 75
Partly Sunny
Today 16 Jul San Juan County
Partly sunny. A slight chance of Showers late in the morning. A chance of Showers early in the Afternoon, then Showers likely and a slight chance of Thunderstorms late in the afternoon. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Highs in the upper 60s to mid 70s. Light wind becoming southwest 10 to 15 Mph in the afternoon.
Tonight 16 Jul San Juan County
Mostly cloudy with Showers likely and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of Showers late in the evening. Mostly cloudy after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows in the 50s. South wind 10 to 15 Mph.
Roche Harbor SPB Temperature Statistics
July Temperature
Friday Harbor Airport (8.1 miles)
Lowest 5 July, 2026
46.9 °FAverage July
59.1 °FHighest 14 July, 2026
78.1 °F
Climate (2021–2026)
Friday Harbor Airport (8.1 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
59.7 °F