Harper Weather Forecast
- 54
- 80
Rain
- 47
- 67
Rain
- 52
- 75
Mostly Sunny
- 49
- 71
Slight Chance Rain
- 47
- 66
Partly Sunny
- 49
- 67
Partly Sunny
- 51
- 71
Mostly Sunny
Today 28 May Eastern Kitsap County
Sunny. Highs in the lower 80s. South Winds up to 5 Mph shifting to the southwest 5 to 15 Mph in the afternoon.
Tonight 28 May Eastern Kitsap County
Mostly clear until early morning then becoming mostly cloudy. A chance of Showers late in the night. Lows in the lower to mid 50s. Southwest wind 10 to 15 Mph becoming south after midnight.
Harper Temperature Statistics
May Temperature
Boeing Field - King County International Airport (9.3 miles)
Lowest 4 May, 2025
42.7 °FAverage May
57.3 °FHighest 6 May, 2025
78.7 °F
Climate (2020–Present)
Boeing Field - King County International Airport (9.3 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
53.9 °FAverage High 2020–2025
61.3 °F