Arrowhead Reservoir Weather Forecast

    • 34
    • 59

    Increasing Clouds

    • 30
    • 56

    Mostly Sunny

    • 35
    • 59

    Mostly Sunny

    • 42
    • 58

    Mostly Cloudy

    • 39
    • 60

    Partly Sunny

    • 36
    • 59

    Rain Likely

Today 27 Oct Western Crook

Mostly sunny. Highs in the upper 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 27 Oct Western Crook

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 30s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Reservoir Temperature Statistics

October Temperature

Mondell Field (26.7 miles)

  • Lowest 16 October, 2026

    21.2 °F

  • Average October

    53.9 °F

  • Highest 9 October, 2026

    86 °F

Climate (2021–2026)

Mondell Field (26.7 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.9 °F
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