Peaceful Valley Weather Forecast

    • 43
    • 64

    Increasing Clouds

    • 49
    • 66

    Chance Rain

    • 47
    • 70

    Chance Rain

    • 50
    • 75

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

    • 48
    • 71

    Partly Sunny

    • 47
    • 69

    Mostly Cloudy

Today 30 Sep Foothills and Valleys of the North Cascades

Mostly sunny. Highs near 70.

Tonight 30 Sep Foothills and Valleys of the North Cascades

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

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Peaceful Valley Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (19.9 miles)

  • Lowest 27 September, 2026

    41.6 °F

  • Average September

    58 °F

  • Highest 8 September, 2026

    72.6 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (19.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
Get WillyWeather+ to remove ads