Peaceful Valley Weather Forecast

    • 53
    • 78

    Increasing Clouds

    • 49
    • 72

    Partly Sunny

    • 49
    • 69

    Mostly Cloudy

    • 48
    • 74

    Chance Rain

    • 50
    • 72

    Partly Sunny

    • 50
    • 74

    Partly Sunny

Today 9 Sep Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the mid 70s to lower 80s. Light wind.

Tonight 9 Sep Foothills and Valleys of the North Cascades

Mostly cloudy. Lows in the lower to mid 50s. Light wind becoming south to 10 Mph after midnight.

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Peaceful Valley Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (19.9 miles)

  • Lowest 6 September, 2026

    44.7 °F

  • Average September

    60.2 °F

  • Highest 2 September, 2026

    71.7 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (19.9 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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