Lopez Island - McArdle Bay Weather Forecast

    • 43
    • 51

    Decreasing Clouds

    • 45
    • 51

    Increasing Clouds

    • 46
    • 52

    Rain

    • 43
    • 50

    Rain Likely

    • 42
    • 49

    Chance Rain

    • 40
    • 48

    Slight Chance Rain

    • 41
    • 48

    Chance Rain

Today 5 Feb San Juan County

Partly sunny. Widespread fog until late afternoon. Highs in the upper 40s to mid 50s. Light wind.

Tonight 5 Feb San Juan County

Partly cloudy. Patchy dense fog late in the night. Lows in the upper 30s to mid 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lopez Island - McArdle Bay Temperature Statistics

February Temperature

Whidbey Island Naval Air Station - Ault Field (8.7 miles)

  • Lowest 1 February, 2026

    45 °F

  • Average February

    49.5 °F

  • Highest 3 February, 2026

    55.9 °F

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (8.7 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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