Calispell Peak Weather Forecast

    • 34
    • 46

    Decreasing Clouds

    • 39
    • 47

    Increasing Clouds

    • 39
    • 45

    Mostly Cloudy

    • 38
    • 46

    Mostly Sunny

    • 41
    • 49

    Partly Sunny

    • 40
    • 49

    Partly Sunny

    • 41
    • 50

    Partly Sunny

Today 27 Sep Northeast Mountains

Mostly cloudy. Highs in the lower to mid 60s.

Tonight 27 Sep Northeast Mountains

Mostly clear. Areas of frost overnight. Lows in the upper 20s to upper 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calispell Peak Temperature Statistics

September Temperature

Deer Park, Deer Park Airport (31.7 miles)

  • Lowest 24 September, 2026

    37.7 °F

  • Average September

    58.6 °F

  • Highest 1 September, 2026

    81.6 °F

Climate (2021–2026)

Deer Park, Deer Park Airport (31.7 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    60.2 °F
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