Thunder Lake Weather Forecast

    • 53
    • 84

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 47
    • 72

    Partly Sunny

    • 46
    • 69

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

    • 46
    • 67

    Slight Chance Rain

Today 3 May Foothills and Valleys of the North Cascades

Sunny. Highs in the upper 70s to mid 80s. Light wind becoming northwest around 10 Mph in the afternoon.

Tonight 3 May Foothills and Valleys of the North Cascades

Mostly clear. Lows in the 50s. Northwest wind to 10 Mph in the evening becoming light.

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Thunder Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (60.3 miles)

  • Lowest

  • Average May

  • Highest

Climate (2021–Present)

Arlington Municipal Airport (60.3 miles)

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  • Average Low 2021–2026

    42.6 °F
  • Average 2021–2026

    50.8 °F
  • Average High 2021–2026

    59.9 °F
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