Trump Island Weather Forecast
- 40
- 51
Mostly Cloudy
- 41
- 49
Mostly Cloudy
- 39
- 48
Chance Rain
- 37
- 48
Slight Chance Rain
- 41
- 50
Mostly Cloudy
- 42
- 51
Chance Rain
Today 27 Mar San Juan County
Mostly cloudy. Highs near 50. Light wind.
Tonight 27 Mar San Juan County
Mostly cloudy. Lows near 40. Light wind.
Trump Island Temperature Statistics
March Temperature
Friday Harbor Airport (8.7 miles)
Lowest 10 March, 2026
30 °FAverage March
44.8 °FHighest 20 March, 2026
59 °F
Climate (2021–Present)
Friday Harbor Airport (8.7 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
59.7 °F