Grand Junction Weather Forecast

    • 56
    • 86

    Thunderstorms

    • 54
    • 86

    Mostly Sunny

    • 50
    • 84

    Partly Sunny

    • 43
    • 68

    Chance Rain Showers

    • 49
    • 75

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

Today 18 May Grand Valley

Partly cloudy. Slight chance of Showers and Thunderstorms in the afternoon. Highs in the 80s. West Winds 10 to 15 Mph in the afternoon. Chance of rain 20 percent.

Tonight 18 May Grand Valley

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the 50s. Southeast Winds 10 to 15 Mph in the Evening, becoming light. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Junction Temperature Statistics

May Temperature

Grand Junction Regional Airport (4.3 miles)

  • Lowest 8 May, 2024

    29.8 °F

  • Average May

    58.5 °F

  • Highest 13 May, 2024

    84.7 °F

Climate (2019–Present)

Grand Junction Regional Airport (4.3 miles)

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  • Average Low 2019–2024

    42 °F

  • Average 2019–2024

    54.4 °F

  • Average High 2019–2024

    67.1 °F
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