Blaine Weather Forecast

    • 53
    • 65

    Increasing Clouds

    • 52
    • 65

    Increasing Clouds

    • 50
    • 63

    Chance Rain

    • 51
    • 61

    Rain Likely

    • 49
    • 61

    Chance Rain

    • 48
    • 62

    Mostly Cloudy

    • 50
    • 62

    Chance Rain

Today 21 Sep Lowlands of Western Whatcom County

Mostly cloudy with a chance of rain. Highs in the 60s.

Tonight 21 Sep Lowlands of Western Whatcom County

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. South wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blaine Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (16.8 miles)

  • Lowest 18 September, 2026

    43.6 °F

  • Average September

    59.7 °F

  • Highest 8 September, 2026

    72.6 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (16.8 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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