Smith Island Weather Forecast

    • 51
    • 61

    Mostly Cloudy

    • 52
    • 62

    Mostly Cloudy

    • 52
    • 58

    Mostly Cloudy

    • 49
    • 58

    Mostly Cloudy

    • 49
    • 57

    Chance Rain

    • 48
    • 55

    Chance Rain

Today 20 Sep Island County

Mostly sunny. Patchy fog in the morning. Highs in the upper 50s to mid 60s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 20 Sep Island County

Partly cloudy. Lows in the upper 40s to mid 50s. West wind to 10 Mph.

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  • Temperature Real-Time

Smith Island Temperature Statistics

September Temperature

Whidbey Island Naval Air Station - Ault Field (8.1 miles)

  • Lowest 18 September, 2026

    45 °F

  • Average September

    57.1 °F

  • Highest 7 September, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (8.1 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    55.9 °F
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