South Fork Tolt Reservoir Weather Forecast

    • 30
    • 45

    Snow

    • 29
    • 35

    Snow

    • 33
    • 36

    Snow

    • 36
    • 42

    Rain/Snow

    • 34
    • 40

    Snow

    • 32
    • 40

    Snow

Today 8 Mar Cascades of Snohomish and Northern King Counties

Rain and snow in the Morning, then rain and snow likely early in the afternoon. A chance of rain and snow late in the afternoon. Snow level near 5000 feet decreasing to 2500 feet in the afternoon. Rainfall Amounts one to three Inches possible. Snow accumulation of 1 to 5 Inches. Afternoon pass Temperatures in the upper 30s. West wind in the Passes 10 to 15 Mph. Gusts to 35 Mph.

Tonight 8 Mar Cascades of Snohomish and Northern King Counties

Rain in the evening. Snow. A slight chance of rain in the late evening and early morning. Snow level near 1500 feet decreasing to 1000 feet after midnight. Snow may be heavy at Times in the evening. Snow may be heavy at Times after midnight. Snow accumulation of 5 to 7 Inches. Total snow accumulation 6 to 12 Inches. Lows in the lower 20s. West wind in the Passes around 10 Mph with Gusts to 30 Mph.

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South Fork Tolt Reservoir Temperature Statistics

March Temperature

Renton Municipal Airport (29.2 miles)

  • Lowest 2 March, 2026

    35.1 °F

  • Average March

    47.8 °F

  • Highest 2 March, 2026

    59 °F

Climate (2021–Present)

Renton Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.3 °F
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