Fort Casey Weather Forecast

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    • 64

    Rain

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    • 61

    Rain

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    • 58

    Rain

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    • 54

    Rain

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    • 55

    Rain

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    Rain Likely

Today 23 Oct Island County

Cloudy in the morning then becoming partly sunny. A chance of rain in the Morning, then a slight chance of rain in the late morning and early afternoon. A chance of rain late in the afternoon. Highs in the upper 50s to mid 60s. Southeast wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 23 Oct Island County

Windy, cloudy. A chance of rain in the Evening, then rain likely after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower to mid 50s. Southeast wind 15 to 30 Mph becoming south after midnight. Gusts to 50 Mph.

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Fort Casey Temperature Statistics

October Temperature

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

  • Lowest 15 October, 2025

    34 °F

  • Average October

    51.1 °F

  • Highest 2 October, 2025

    70 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    56.1 °F
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