Henry Island Weather Forecast
- 43
- 53
Gradual Clearing
- 41
- 51
Partly Sunny
- 44
- 51
Chance Rain
- 45
- 52
Rain
- 43
- 51
Rain Likely
- 41
- 49
Chance Rain
- 40
- 48
Slight Chance Rain
Today 4 Feb San Juan County
Mostly cloudy. Highs in the lower to mid 50s. Light wind.
Tonight 4 Feb San Juan County
Mostly clear. Patchy fog after midnight. Lows in the upper 30s to mid 40s. Light wind.
Henry Island Temperature Statistics
February Temperature
Friday Harbor Airport (8.7 miles)
Lowest 1 February, 2026
45 °FAverage February
48.2 °FHighest 1 February, 2026
52 °F
Climate (2021–Present)
Friday Harbor Airport (8.7 miles)
Average Low 2021–2026
44.4 °FAverage 2021–2026
51.8 °FAverage High 2021–2026
59.6 °F