Hump Lake Weather Forecast

    • 20
    • 36

    Decreasing Clouds

    • 27
    • 38

    Increasing Clouds

    • 34
    • 44

    Mostly Cloudy

    • 32
    • 41

    Rain/Snow

    • 22
    • 40

    Snow Likely

    • 20
    • 33

    Mostly Sunny

    • 25
    • 41

    Partly Sunny

Today 21 Mar Southern Clearwater Mountains

Areas of rain early in the morning. Rain likely late in the morning. Areas of rain and snow early in the afternoon. Patchy fog in the morning. Chance of precipitation near 100 percent. Cooler. No snow accumulation. Highs in the mid 40s to lower 50s. Northwest Winds to 15 Mph in the afternoon.

Tonight 21 Mar Southern Clearwater Mountains

Mostly clear. Patchy fog after midnight. Lows in the lower 20s to mid 30s. West Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hump Lake Temperature Statistics

March Temperature

Grangeville - Idaho County Airport (31.1 miles)

  • Lowest 9 March, 2026

    26.6 °F

  • Average March

    41.4 °F

  • Highest 19 March, 2026

    73.4 °F

Climate (2021–Present)

Grangeville - Idaho County Airport (31.1 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    58 °F
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