Thunder Lake Weather Forecast

    • 47
    • 51

    Rain

    • 36
    • 50

    Rain

    • 30
    • 44

    Snow Likely

    • 32
    • 46

    Snow Likely

    • 39
    • 50

    Rain/Snow

    • 36
    • 48

    Rain/Snow

    • 30
    • 42

    Rain/Snow

Today 19 Mar Foothills and Valleys of the North Cascades

Rain. Rainfall Amounts a half inch to one inch possible. Highs in the 50s. South wind 10 to 15 Mph.

Tonight 19 Mar Foothills and Valleys of the North Cascades

Rain. Rainfall Amounts one to three Inches possible. Lows near 50. Southeast wind 10 to 15 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thunder Lake Temperature Statistics

March Temperature

Arlington Municipal Airport (60.3 miles)

  • Lowest 2 March, 2026

    27 °F

  • Average March

    43.7 °F

  • Highest 2 March, 2026

    59 °F

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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