Bellingham International Airport Weather Forecast

    • 51
    • 62

    Rain

    • 46
    • 60

    Rain

    • 46
    • 62

    Partly Sunny

    • 48
    • 64

    Mostly Cloudy

    • 47
    • 63

    Partly Sunny

    • 47
    • 64

    Partly Sunny

Today 28 Sep Lowlands of Western Whatcom County

Partly sunny. Highs in the 60s. Southeast wind 10 to 15 Mph becoming south in the afternoon.

Tonight 28 Sep Lowlands of Western Whatcom County

Windy. A chance of rain in the Evening, then rain at Times after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the upper 40s to mid 50s. South wind 10 to 15 Mph with Gusts to 25 Mph increasing to 20 to 35 Mph with Gusts to 45 Mph after midnight.

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Bellingham International Airport Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (0 miles)

  • Lowest 24 September, 2026

    42.7 °F

  • Average September

    58.4 °F

  • Highest 8 September, 2026

    72.6 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (0 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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