Highline Lake State Park Weather Forecast

    • 67
    • 95

    Slight Chance Thunderstorms

    • 66
    • 94

    Increasing Clouds

    • 65
    • 95

    Slight Chance Thunderstorms

    • 64
    • 95

    Slight Chance Thunderstorms

    • 63
    • 97

    Hot

    • 64
    • 97

    Hot

    • 67
    • 99

    Hot

Today 21 Jul Grand Valley

Mostly sunny. Isolated Showers and Thunderstorms in the afternoon. Highs 85 to 95. West Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 10 percent.

Tonight 21 Jul Grand Valley

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the 60s. Chance of rain 20 percent.

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Highline Lake State Park Temperature Statistics

July Temperature

Grand Junction Regional Airport (18.6 miles)

  • Lowest 4 July, 2025

    59.6 °F

  • Average July

    82.5 °F

  • Highest 8 July, 2025

    101.6 °F

Climate (2020–Present)

Grand Junction Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    68.4 °F
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