Fossil Weather Forecast

    • 51
    • 71

    Increasing Clouds

    • 52
    • 74

    Partly Sunny

    • 54
    • 77

    Partly Sunny

    • 53
    • 78

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 55
    • 82

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

Today 30 Sep Foothills of the Southern Blue Mountains of Oregon

Sunny. Highs in the lower 70s. Northwest wind 5 to 10 Mph.

Tonight 30 Sep Foothills of the Southern Blue Mountains of Oregon

Partly cloudy. Lows in the upper 40s to lower 50s. North wind 5 to 10 Mph in the Evening, becoming light.

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Fossil Temperature Statistics

September Temperature

Prineville Airport (59.7 miles)

  • Lowest 28 September, 2026

    28.4 °F

  • Average September

    56 °F

  • Highest 9 September, 2026

    86 °F

Climate (2021–2026)

Prineville Airport (59.7 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    62.9 °F
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