Bonanza Weather Forecast

    • 52
    • 80

    Increasing Clouds

    • 48
    • 76

    Thunderstorms

    • 48
    • 73

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 53
    • 81

    Partly Sunny

Today 15 Sep Eastern Uinta Basin

Mostly sunny. Isolated Showers and Thunderstorms in the afternoon. Highs in the 70s. South Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 20 percent.

Tonight 15 Sep Eastern Uinta Basin

Partly cloudy with isolated Showers and Thunderstorms in the Evening, then mostly cloudy with scattered Showers and isolated Thunderstorms after midnight. Lows 45 to 55. West Winds 10 to 15 Mph in the Evening, becoming light. Chance of rain 30 percent.

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Bonanza Temperature Statistics

September Temperature

Vernal Airport (32.9 miles)

  • Lowest 13 September, 2025

    45 °F

  • Average September

    68.4 °F

  • Highest 2 September, 2025

    90 °F

Climate (2020–Present)

Vernal Airport (32.9 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    61.5 °F
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