Prospect State Park Weather Forecast

    • 40
    • 60

    Chance Rain

    • 36
    • 62

    Chance Rain

    • 40
    • 72

    Chance Rain

    • 38
    • 68

    Chance Rain

    • 39
    • 75

    Slight Chance Rain

    • 41
    • 80

    Mostly Sunny

Today 3 Sep Jackson County

Mostly cloudy. Areas of fog early this morning. Chance of Showers early this Morning, then chance of Showers and slight chance of Thunderstorms in the late morning and afternoon. Highs in the mid 60s to lower 70s in the Valleys and in the mid 50s to lower 60s at higher Elevations. Southwest Winds 5 to 10 Mph. Chance of precipitation 30 percent.

Tonight 3 Sep Jackson County

Mostly clear in the evening then becoming partly cloudy. A 10 percent chance of Showers. Areas of dense fog after midnight. Lows in the mid 40s to lower 50s. West Winds 5 to 10 Mph shifting to the south after midnight.

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Prospect State Park Temperature Statistics

September Temperature

Rogue Valley International Airport (31.7 miles)

  • Lowest 1 September, 2026

    54 °F

  • Average September

    63.7 °F

  • Highest 1 September, 2026

    73.9 °F

Climate (2021–2026)

Rogue Valley International Airport (31.7 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    70.1 °F
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