Highline Lake State Park Weather Forecast

    • 59
    • 83

    Chance Thunderstorms

    • 57
    • 81

    Chance Thunderstorms

    • 58
    • 82

    Mostly Sunny

    • 58
    • 85

    Slight Chance Thunderstorms

    • 60
    • 87

    Mostly Sunny

    • 61
    • 89

    Partly Sunny

    • 62
    • 89

    Slight Chance Thunderstorms

Today 30 Aug Grand Valley

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms will produce heavy rainfall. Highs 75 to 85. Northwest Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 30 Aug Grand Valley

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers and Thunderstorms after midnight. Some Thunderstorms will produce heavy rainfall in the evening. Lows 55 to 65. East Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highline Lake State Park Temperature Statistics

August Temperature

Grand Junction Regional Airport (18.6 miles)

  • Lowest 6 August, 2026

    60.7 °F

  • Average August

    82.2 °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

    43.8 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    69.3 °F
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