Penn Cove Weather Forecast

    • 38
    • 49

    Chance Rain

    • 39
    • 48

    Mostly Cloudy

    • 41
    • 49

    Rain

    • 41
    • 54

    Rain

    • 38
    • 51

    Rain

    • 38
    • 51

    Chance Rain

    • 39
    • 51

    Slight Chance Rain

Today 21 Mar Island County

Mostly sunny. A slight chance of rain in the morning. Highs near 50. Northwest wind 10 to 20 Mph becoming west to 10 Mph in the afternoon.

Tonight 21 Mar Island County

Mostly cloudy in the Evening, then partly cloudy with a slight chance of rain after midnight. Mostly cloudy with a chance of rain late in the night. Lows in the mid 30s to lower 40s. Southwest wind to 10 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Penn Cove Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    32 °F

  • Average March

    45.3 °F

  • Highest 18 March, 2026

    57.9 °F

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (8.1 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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