Sulphur Lake Weather Forecast

    • 35
    • 55

    Increasing Clouds

    • 43
    • 56

    Chance Rain

    • 44
    • 63

    Mostly Cloudy

    • 37
    • 64

    Breezy

    • 29
    • 54

    Partly Sunny

    • 32
    • 49

    Mostly Cloudy

    • 35
    • 52

    Chance Rain/Snow

Today 5 Mar Lower Columbia Basin of Washington

Mostly sunny. Highs in the mid to upper 50s. Windy. West wind 15 to 25 Mph.

Tonight 5 Mar Lower Columbia Basin of Washington

Partly cloudy. Lows in the mid to upper 30s. Southwest wind 5 to 15 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sulphur Lake Temperature Statistics

March Temperature

Tri-Cities Airport (31.7 miles)

  • Lowest 1 March, 2026

    24.7 °F

  • Average March

    45.7 °F

  • Highest 3 March, 2026

    66 °F

Climate (2021–Present)

Tri-Cities Airport (31.7 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    68.1 °F
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