Highline Lake State Park Weather Forecast

    • 40
    • 65

    Mostly Sunny

    • 45
    • 69

    Partly Sunny

    • 40
    • 64

    Chance Rain Showers

    • 40
    • 65

    Mostly Sunny

    • 44
    • 65

    Mostly Cloudy

    • 36
    • 62

    Chance Rain/Snow

Today 21 Oct Grand Valley

Sunny. Highs in the 60s.

Tonight 21 Oct Grand Valley

Mostly clear. Lows 35 to 45.

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Highline Lake State Park Temperature Statistics

October Temperature

Grand Junction Regional Airport (18.6 miles)

  • Lowest 17 October, 2025

    36 °F

  • Average October

    58.6 °F

  • Highest 3 October, 2025

    86 °F

Climate (2020–Present)

Grand Junction Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    68.3 °F
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