Upper Jocko Lake Weather Forecast

    • 38
    • 55

    Rain Showers

    • 37
    • 50

    Rain/Snow

    • 41
    • 59

    Mostly Cloudy

    • 42
    • 62

    Mostly Sunny

    • 45
    • 68

    Slight Chance Rain

    • 44
    • 64

    Chance Rain

    • 44
    • 65

    Slight Chance Rain

Today 13 Sep Potomac/Seeley Lake Region

Mostly cloudy. Slight chance of rain late in the morning. Chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the mid 50s to lower 60s.

Tonight 13 Sep Potomac/Seeley Lake Region

Partly cloudy early in the Evening, then mostly cloudy with a 50 percent chance of rain Showers in the late evening and overnight. Lows in the mid 30s to lower 40s. Southwest Winds to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Jocko Lake Temperature Statistics

September Temperature

Missoula, Missoula International Airport (25.5 miles)

  • Lowest 9 September, 2026

    38.6 °F

  • Average September

    59.6 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (25.5 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.7 °F
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