Island Lake Weather Forecast
- 56
- 82
Sunny
- 53
- 74
Mostly Sunny
- 52
- 71
Mostly Sunny
- 53
- 74
Partly Sunny
- 56
- 67
Chance Rain
- 54
- 69
Chance Rain
Today 16 Sep Eastern Kitsap County
Sunny. Highs in the upper 70s to mid 80s. North wind 10 to 20 Mph becoming east to 10 Mph in the afternoon.
Tonight 16 Sep Eastern Kitsap County
Clear. Haze late in the evening. Lows in the 50s. Light wind becoming south around 10 Mph after midnight.
Island Lake Temperature Statistics
September Temperature
Bremerton, Bremerton National Airport (13 miles)
Lowest 10 September, 2025
48.9 °FAverage September
63.1 °FHighest 3 September, 2025
84.9 °F
Climate (2020–Present)
Bremerton, Bremerton National Airport (13 miles)
Average Low 2020–2025
42.1 °FAverage 2020–2025
50.8 °FAverage High 2020–2025
59.9 °F