Henderson Lake Weather Forecast
- 52
- 68
Mostly Sunny
- 50
- 65
Mostly Sunny
- 51
- 60
Partly Sunny
- 49
- 59
Partly Sunny
- 50
- 60
Partly Sunny
- 51
- 61
Slight Chance Rain Showers
Today 10 May San Juan County
Sunny. Highs in the mid 70s to lower 80s. North wind to 10 Mph.
Tonight 10 May San Juan County
Mostly clear. Lows in the lower 50s. Light wind.
Henderson Lake Temperature Statistics
May Temperature
Friday Harbor Airport (9.3 miles)
Lowest 1 May, 2024
38.6 °FAverage May
53.5 °FHighest 3 May, 2024
68.6 °F
Climate (2019–Present)
Friday Harbor Airport (9.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
43.9 °FAverage 2019–2024
50.9 °FAverage High 2019–2024
58.5 °F