William Henry Bay Weather Forecast
- 53
- 67
Partly Sunny
- 54
- 69
Mostly Cloudy
- 54
- 68
Cloudy
- 54
- 69
Mostly Cloudy
- 54
- 70
Mostly Cloudy
- 55
- 71
Mostly Cloudy
- 55
- 70
Slight Chance Rain Showers
Today 5 Aug Haines Borough and Klukwan
Mostly cloudy in the morning then clearing. Highs 61 to 69. Light Winds becoming south around 10 Mph.
Tonight 5 Aug Haines Borough and Klukwan
Partly cloudy. Lows around 50. Light Winds.
William Henry Bay Temperature Statistics
August Temperature
Gustavus, Gustavus Airport (26.1 miles)
Lowest 1 August, 2026
53.1 °FAverage August
57.1 °FHighest 1 August, 2026
64.9 °F
Climate (2021–2026)
Gustavus, Gustavus Airport (26.1 miles)
Average Low 2021–2026
38.4 °FAverage 2021–2026
43.7 °FAverage High 2021–2026
48.6 °F