Peaceful Valley Weather Forecast

    • 42
    • 66

    Increasing Clouds

    • 48
    • 66

    Rain

    • 42
    • 63

    Rain

    • 44
    • 65

    Partly Sunny

    • 46
    • 70

    Mostly Cloudy

    • 46
    • 69

    Partly Sunny

    • 47
    • 71

    Partly Sunny

Today 27 Sep Foothills and Valleys of the North Cascades

Sunny. Highs in the mid 60s to lower 70s.

Tonight 27 Sep Foothills and Valleys of the North Cascades

Mostly clear. Lows in the 40s. Light wind.

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Peaceful Valley Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (19.9 miles)

  • Lowest 24 September, 2026

    42.7 °F

  • Average September

    58.6 °F

  • Highest 8 September, 2026

    72.6 °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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