Heart Lake Weather Forecast

    • 45
    • 58

    Mostly Cloudy

    • 47
    • 61

    Mostly Cloudy

    • 47
    • 60

    Chance Rain Showers

    • 46
    • 59

    Chance Rain Showers

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    • 59

    Slight Chance Rain Showers

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    • 60

    Slight Chance Rain Showers

Today 8 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph becoming northwest in the afternoon.

Tonight 8 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. Lows in the 40s. Northwest wind 10 to 15 Mph becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2025

    37.9 °F

  • Average May

    51.4 °F

  • Highest 6 May, 2025

    64 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    56.3 °F
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