Custer Weather Forecast

    • 50
    • 70

    Chance Rain

    • 54
    • 78

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

    • 59
    • 85

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

Today 2 Aug Lowlands of Western Whatcom County

Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers late in the morning. A slight chance of Thunderstorms early in the afternoon. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 2 Aug Lowlands of Western Whatcom County

Mostly clear. Lows in the upper 40s to mid 50s. Southwest wind to 10 Mph in the evening becoming light.

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Custer Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (8.7 miles)

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Climate (2021–2026)

Bellingham, Bellingham International Airport (8.7 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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