Fossil Park Weather Forecast

    • 57
    • 75

    Sunny

    • 60
    • 80

    Sunny

    • 65
    • 87

    Mostly Sunny

    • 67
    • 87

    Partly Sunny

    • 67
    • 88

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

Today 20 Aug Southern Blue Mountains of Oregon

Sunny. Highs in the mid 70s to lower 80s. Gusts up to 20 Mph in the afternoon.

Tonight 20 Aug Southern Blue Mountains of Oregon

Mostly clear. Lows in the upper 40s to mid 50s. Gusts up to 20 Mph in the evening.

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Fossil Park Temperature Statistics

August Temperature

Prineville Airport (57.2 miles)

  • Lowest 8 August, 2025

    35.6 °F

  • Average August

    68.7 °F

  • Highest 11 August, 2025

    98.6 °F

Climate (2020–Present)

Prineville Airport (57.2 miles)

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  • Average Low 2020–2025

    34.2 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    62.8 °F
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