Bellingham International Airport Weather Forecast

    • 51
    • 69

    Partly Sunny

    • 52
    • 67

    Mostly Cloudy

    • 52
    • 71

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 51
    • 68

    Partly Sunny

    • 52
    • 70

    Partly Sunny

Today 10 Sep Lowlands of Western Whatcom County

Partly sunny in the morning then becoming sunny. Highs in the mid 60s to lower 70s. Southwest wind 10 to 15 Mph becoming west in the afternoon.

Tonight 10 Sep Lowlands of Western Whatcom County

Partly cloudy. Lows in the upper 40s to mid 50s. Light wind becoming southeast to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellingham International Airport Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (0 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 (0 miles)

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

  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
Get WillyWeather+ to remove ads