Fort Casey Weather Forecast

    • 34
    • 45

    Partly Sunny

    • 33
    • 44

    Chance Rain/Snow

    • 33
    • 45

    Chance Rain/Snow

    • 33
    • 44

    Rain/Snow Likely

    • 34
    • 43

    Rain/Snow Likely

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    • 45

    Rain/Snow Likely

Today 15 Feb Island County

Sunny. Highs in the 40s. North wind to 10 Mph becoming northwest in the afternoon.

Tonight 15 Feb Island County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Casey Temperature Statistics

February Temperature

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

  • Lowest 11 February, 2026

    32 °F

  • Average February

    45.7 °F

  • Highest 3 February, 2026

    55.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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