Peaceful Valley Weather Forecast

    • 47
    • 74

    Increasing Clouds

    • 46
    • 69

    Mostly Cloudy

    • 44
    • 66

    Chance Rain

    • 45
    • 64

    Rain Likely

    • 42
    • 62

    Rain Likely

    • 43
    • 66

    Mostly Cloudy

    • 44
    • 66

    Chance Rain

Today 21 Sep Foothills and Valleys of the North Cascades

Mostly cloudy with a chance of rain. Highs in the mid 60s.

Tonight 21 Sep Foothills and Valleys of the North Cascades

Mostly clear in the evening then becoming mostly cloudy. Lows near 50. South wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Peaceful Valley Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (19.9 miles)

  • Lowest 18 September, 2026

    43.6 °F

  • Average September

    59.7 °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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