Marten Creek Bay Weather Forecast

    • 42
    • 65

    Slight Chance Rain

    • 45
    • 73

    Chance Thunderstorms

    • 44
    • 72

    Rain Likely

    • 46
    • 65

    Rain Showers Likely

    • 46
    • 70

    Partly Sunny

    • 49
    • 78

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

Today 4 Sep Lower Clark Fork Region

Mostly cloudy. A 50 percent chance of Areas of rain in the morning. Areas of fog in the morning. Highs in the 60s.

Tonight 4 Sep Lower Clark Fork Region

Mostly cloudy with a 50 percent chance of Areas of rain. Areas of fog after midnight. Patchy fog late in the night. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marten Creek Bay Temperature Statistics

September Temperature

Mullan Pass, Mullan Pass Vor (29.2 miles)

  • Lowest 2 September, 2026

    42.1 °F

  • Average September

    53.3 °F

  • Highest 1 September, 2026

    71.1 °F

Climate (2021–2026)

Mullan Pass, Mullan Pass Vor (29.2 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.8 °F

  • Average High 2021–2026

    46.1 °F
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