Lummi Island - Bumstead Spit Weather Forecast

    • 61
    • 73

    Partly Cloudy

    • 60
    • 73

    Mostly Sunny

    • 60
    • 73

    Mostly Sunny

    • 59
    • 72

    Mostly Sunny

    • 59
    • 71

    Partly Sunny

    • 58
    • 69

    Partly Sunny

Today 23 Aug Lowlands of Western Whatcom County

Sunny. Highs in the 80s. North wind to 10 Mph becoming northwest in the afternoon.

Tonight 23 Aug Lowlands of Western Whatcom County

Partly cloudy. Lows in the 60s. Northwest wind to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lummi Island - Bumstead Spit Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 9 August, 2025

    52.6 °F

  • Average August

    65.7 °F

  • Highest 11 August, 2025

    89.7 °F

Climate (2020–Present)

Bellingham, Bellingham International Airport (8.1 miles)

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

  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59 °F
Get WillyWeather+ to remove ads