Highline Lake State Park Weather Forecast

    • 52
    • 69

    Rain Showers

    • 53
    • 73

    Chance Rain Showers

    • 50
    • 77

    Mostly Sunny

    • 51
    • 78

    Sunny

    • 52
    • 79

    Mostly Sunny

    • 52
    • 79

    Partly Sunny

Today 28 Sep Grand Valley

Showers in the Morning, then Showers with a slight chance of Thunderstorms in the afternoon. Not as warm. Highs in the 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph in the Morning, becoming light.

Tonight 28 Sep Grand Valley

Showers with a slight chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows 45 to 55.

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  • Temperature Real-Time

Highline Lake State Park Temperature Statistics

September Temperature

Grand Junction Regional Airport (18.6 miles)

  • Lowest 20 September, 2026

    50.6 °F
  • Average September

    72 °F
  • Highest 4 September, 2026

    91.7 °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

    69.2 °F
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