Highline Lake State Park Weather Forecast

    • 53
    • 87

    Partly Sunny

    • 55
    • 87

    Mostly Cloudy

    • 50
    • 77

    Chance Thunderstorms

    • 51
    • 84

    Mostly Sunny

    • 51
    • 86

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

Today 24 May Grand Valley

Mostly sunny. Highs in the 80s.

Tonight 24 May Grand Valley

Partly cloudy. Lows in the 50s. East Winds 10 to 15 Mph after midnight.

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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

    62.4 °F

  • Highest 12 May, 2026

    94.6 °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

    69.1 °F
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