Medicine Lake Weather Forecast

    • 33
    • 66

    Slight Chance Rain Showers

    • 32
    • 58

    Slight Chance Thunderstorms

    • 34
    • 59

    Chance Rain Showers

    • 36
    • 63

    Sunny

    • 38
    • 67

    Mostly Sunny

    • 39
    • 69

    Mostly Sunny

Today 15 Sep North Central and Southeast Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. Northeast Winds around 5 Mph shifting to the west in the afternoon.

Tonight 15 Sep North Central and Southeast Siskiyou County

Mostly clear in the Evening, then partly cloudy with a 20 percent chance of Showers after midnight. Lows in the lower to mid 40s. Northwest Winds 5 to 10 Mph shifting to the north well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Medicine Lake Temperature Statistics

September Temperature

Klamath Falls International Airport (39.1 miles)

  • Lowest 7 September, 2026

    31.6 °F

  • Average September

    54.4 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Klamath Falls International Airport (39.1 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    63.3 °F
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