Highline Lake State Park Weather Forecast

    • 61
    • 92

    Mostly Sunny

    • 64
    • 93

    Mostly Sunny

    • 66
    • 95

    Partly Sunny

    • 66
    • 96

    Mostly Sunny

    • 68
    • 99

    Hot

    • 68
    • 98

    Slight Chance Thunderstorms

    • 65
    • 95

    Chance Thunderstorms

Today 16 Aug Grand Valley

Sunny. Highs 85 to 95.

Tonight 16 Aug Grand Valley

Mostly clear. Lows 55 to 65.

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Highline Lake State Park Temperature Statistics

August Temperature

Grand Junction Regional Airport (18.6 miles)

  • Lowest 6 August, 2026

    60.7 °F

  • Average August

    82.9 °F

  • Highest 3 August, 2026

    105.7 °F

Climate (2021–2026)

Grand Junction Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    69.2 °F
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