Keystone Weather Forecast

    • 38
    • 48

    Slight Chance Rain Showers

    • 40
    • 50

    Becoming Sunny

    • 42
    • 56

    Sunny

    • 43
    • 58

    Sunny

    • 45
    • 59

    Mostly Sunny

    • 46
    • 61

    Sunny

    • 47
    • 63

    Mostly Sunny

Today 10 Apr Admiralty Inlet Area

Breezy. Partly sunny. A chance of rain and snow Showers in the Morning, then a slight chance of rain Showers in the afternoon. Snow level near 500 feet in the morning. Highs in the mid 40s to lower 50s. West wind 15 to 25 Mph.

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Keystone Temperature Statistics

April Temperature

Whidbey Island Naval Air Station - Ault Field (13 miles)

  • Lowest 1 April, 2021

    37 °F

  • Average April

    46.4 °F

  • Highest 3 April, 2021

    55.9 °F

Climate (2010–Present)

Whidbey Island Naval Air Station - Ault Field (13 miles)

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  • Average Low 2010–Present

    46.1 °F

  • Average 2010–Present

    51.8 °F

  • Average High 2010–Present

    57.8 °F
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