Harper Weather Forecast

    • 50
    • 68

    Chance Rain

    • 49
    • 58

    Rain Likely

    • 46
    • 55

    Rain Likely

    • 45
    • 62

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

    • 47
    • 66

    Partly Sunny

Today 20 Apr Eastern Kitsap County

Mostly cloudy. Highs in the mid 60s to lower 70s. North wind to 10 Mph.

Tonight 20 Apr Eastern Kitsap County

Mostly cloudy in the Evening, then partly cloudy with a slight chance of rain in the late evening and early morning. Partly cloudy in the morning. Lows near 50. Southwest wind to 10 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Temperature Statistics

April Temperature

Boeing Field - King County International Airport (9.3 miles)

  • Lowest 8 April, 2026

    37 °F

  • Average April

    51.3 °F

  • Highest 6 April, 2026

    72 °F

Climate (2021–Present)

Boeing Field - King County International Airport (9.3 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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