Sumas Weather Forecast

    • 39
    • 49

    Rain Showers

    • 40
    • 51

    Rain Showers

    • 38
    • 49

    Rain Showers

    • 35
    • 47

    Chance Rain/Snow

    • 34
    • 46

    Chance Rain/Snow

    • 34
    • 45

    Chance Rain/Snow

Today 21 Nov Western Whatcom County

Partly sunny with a slight chance of rain Showers in the Morning, then mostly cloudy with a chance of rain Showers in the afternoon. Highs in the mid 40s to lower 50s. East wind 10 to 15 Mph.

Tonight 21 Nov Western Whatcom County

Rain Showers likely. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid 30s to lower 40s. Northeast wind 10 to 20 Mph.

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Sumas Temperature Statistics

November Temperature

Bellingham, Bellingham International Airport (18.6 miles)

  • Lowest 15 November, 2024

    34.6 °F

  • Average November

    47.7 °F

  • Highest 7 November, 2024

    57.7 °F

Climate (2019–Present)

Bellingham, Bellingham International Airport (18.6 miles)

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  • Average Low 2019–2024

    44.2 °F

  • Average 2019–2024

    51.3 °F

  • Average High 2019–2024

    58.9 °F
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