Agate Lake Weather Forecast

    • 55
    • 63

    Becoming Sunny

    • 54
    • 62

    Mostly Sunny

    • 54
    • 62

    Partly Sunny

    • 56
    • 59

    Rain Likely

    • 54
    • 60

    Rain Likely

    • 54
    • 59

    Chance Rain

Today 17 Sep Lowlands of Western Whatcom County

Sunny. Areas of smoke in the morning. Highs in the upper 60s to mid 70s. South wind 10 to 15 Mph becoming southwest in the afternoon.

Tonight 17 Sep Lowlands of Western Whatcom County

Mostly clear. Lows in the 50s. West wind 10 to 15 Mph becoming south after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Agate Lake Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (7.5 miles)

  • Lowest 13 September, 2025

    52 °F

  • Average September

    61.9 °F

  • Highest 3 September, 2025

    79 °F

Climate (2020–Present)

Bellingham, Bellingham International Airport (7.5 miles)

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

  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59 °F
Get WillyWeather+ to remove ads