Highline Lake State Park Weather Forecast

    • 25
    • 40

    Snow Showers

    • 22
    • 46

    Rain/Snow

    • 26
    • 44

    Partly Sunny

    • 26
    • 46

    Partly Sunny

    • 28
    • 46

    Mostly Cloudy

    • 32
    • 50

    Partly Sunny

Today 5 Dec Grand Valley

Partly sunny. Highs 35 to 45.

Tonight 5 Dec Grand Valley

Mostly cloudy. Scattered snow Showers after midnight. Lows in the 20s. East Winds 10 to 15 Mph after midnight. Chance of snow 30 percent.

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Highline Lake State Park Temperature Statistics

December Temperature

Grand Junction Regional Airport (18.6 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    30 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Grand Junction Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    68.4 °F
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