Union Peak Weather Forecast

    • 38
    • 52

    Slight Chance Rain

    • 40
    • 54

    Mostly Sunny

    • 41
    • 57

    Mostly Sunny

    • 43
    • 60

    Mostly Sunny

    • 42
    • 59

    Partly Sunny

    • 40
    • 55

    Mostly Sunny

Today 27 Sep South Central Oregon Cascades

Mostly cloudy early this morning then becoming partly cloudy. Isolated Thunderstorms late this afternoon. Highs in the mid 50s to mid 60s. East Winds around 5 Mph shifting to the northwest this afternoon.

Tonight 27 Sep South Central Oregon Cascades

Mostly clear. Isolated Thunderstorms in the evening. Lows in the mid 30s to lower 40s. North Winds 5 to 10 Mph.

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Union Peak Temperature Statistics

September Temperature

Rogue Valley International Airport (45.4 miles)

  • Lowest 14 September, 2026

    42.7 °F

  • Average September

    64.7 °F

  • Highest 9 September, 2026

    96.7 °F

Climate (2021–2026)

Rogue Valley International Airport (45.4 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    70.1 °F
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