Watson Lake Weather Forecast

    • 43
    • 58

    Rain Showers Likely

    • 45
    • 55

    Rain Showers Likely

    • 45
    • 59

    Rain Showers Likely

    • 44
    • 58

    Chance Rain Showers

    • 44
    • 62

    Chance Rain Showers

    • 42
    • 61

    Slight Chance Rain Showers

Today 15 May Northwest Blue Mountains

Partly cloudy. Highs in the mid 40s to lower 50s, except in the mid 50s to lower 60s Valleys. West wind 5 to 15 Mph. Gusts up to 30 Mph in the morning.

Tonight 15 May Northwest Blue Mountains

Mostly cloudy. Rain and high mountain snow Showers likely overnight. No high mountain snow accumulation. Lows in the mid 30s to lower 40s. Southwest wind 5 to 15 Mph in the Evening, becoming light. Chance of precipitation 60 percent.

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Watson Lake Temperature Statistics

May Temperature

Lewiston, Lewiston-Nez Perce County Airport (31.1 miles)

  • Lowest 6 May, 2025

    40.6 °F

  • Average May

    61.7 °F

  • Highest 2 May, 2025

    86.6 °F

Climate (2020–Present)

Lewiston, Lewiston-Nez Perce County Airport (31.1 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    65.5 °F
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