Friday Harbor SPB Weather Forecast
- 52
- 74
Rain Showers Likely
- 52
- 72
Partly Sunny
- 53
- 73
Mostly Sunny
- 54
- 75
Mostly Sunny
- 56
- 79
Partly Sunny
- 55
- 78
Mostly Sunny
Today 16 Jul San Juan County
Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers early in the afternoon. 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 around 10 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 after midnight. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the 50s. South wind to 10 Mph. Gusts to 20 Mph in the evening.
Friday Harbor SPB Temperature Statistics
July Temperature
Friday Harbor Airport (1.2 miles)
Lowest 5 July, 2026
46.9 °FAverage July
58.8 °FHighest 6 July, 2026
75 °F
Climate (2021–2026)
Friday Harbor Airport (1.2 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
59.7 °F