Twin Lakes Weather Forecast

    • 54
    • 73

    Mostly Sunny

    • 54
    • 70

    Areas Smoke

    • 52
    • 71

    Chance Rain

    • 49
    • 66

    Chance Rain Showers

    • 45
    • 60

    Chance Rain

    • 45
    • 54

    Rain Likely

    • 44
    • 53

    Rain Showers Likely

Today 4 Sep Southern Clearwater Mountains

Mostly sunny. Haze through the day. Areas of smoke in the late morning and afternoon. Highs 79 to 94.

Tonight 4 Sep Southern Clearwater Mountains

Mostly clear. Areas of smoke through the night. Haze in the evening. Lows 43 to 58. East Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Lakes Temperature Statistics

September Temperature

Grangeville - Idaho County Airport (26.1 miles)

  • Lowest 1 September, 2025

    57.2 °F

  • Average September

    77.1 °F

  • Highest 2 September, 2025

    98.6 °F

Climate (2020–Present)

Grangeville - Idaho County Airport (26.1 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    57.6 °F
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