Fossil Park Weather Forecast

    • 51
    • 73

    Mostly Sunny

    • 45
    • 64

    Partly Sunny

    • 49
    • 69

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 52
    • 75

    Partly Sunny

    • 49
    • 68

    Chance Rain Showers

    • 47
    • 63

    Chance Rain Showers

Today 28 Aug Southern Blue Mountains of Oregon

Sunny. Highs in the mid 70s to lower 80s.

Tonight 28 Aug Southern Blue Mountains of Oregon

Mostly clear. Lows in the 40s.

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Fossil Park Temperature Statistics

August Temperature

Prineville Airport (57.2 miles)

  • Lowest 3 August, 2026

    39.2 °F

  • Average August

    70 °F

  • Highest 6 August, 2026

    96.8 °F

Climate (2021–2026)

Prineville Airport (57.2 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63 °F
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