Highline Lake State Park Weather Forecast

    • 47
    • 83

    Mostly Sunny

    • 51
    • 88

    Sunny

    • 54
    • 94

    Mostly Sunny

    • 56
    • 91

    Partly Sunny

    • 51
    • 86

    Mostly Sunny

    • 50
    • 85

    Mostly Sunny

Today 10 May Grand Valley

Sunny. Highs 75 to 85.

Tonight 10 May Grand Valley

Mostly clear. Lows in the 40s.

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Highline Lake State Park Temperature Statistics

May Temperature

Grand Junction Regional Airport (18.6 miles)

  • Lowest 7 May, 2026

    37.7 °F

  • Average May

    58.7 °F

  • Highest 8 May, 2026

    81 °F

Climate (2021–Present)

Grand Junction Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    69 °F
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