East Bay Weather Forecast

    • 52
    • 73

    Decreasing Clouds

    • 51
    • 71

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 45
    • 72

    Rain Likely

    • 43
    • 57

    Mostly Cloudy

    • 45
    • 59

    Mostly Cloudy

    • 46
    • 59

    Slight Chance Rain

Today 22 Sep Flathead/Mission Valleys

Mostly cloudy. Highs in the upper 50s to mid 60s.

Tonight 22 Sep Flathead/Mission Valleys

Mostly cloudy in the evening then clearing. Lows in the mid 40s to lower 50s.

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  • Temperature Real-Time

East Bay Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (41 miles)

  • Lowest 17 September, 2026

    38.6 °F

  • Average September

    56.8 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (41 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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