Lava Beds National Monument Weather Forecast

    • 51
    • 77

    Increasing Clouds

    • 43
    • 68

    Slight Chance Thunderstorms

    • 47
    • 73

    Mostly Sunny

    • 51
    • 82

    Sunny

    • 49
    • 79

    Mostly Sunny

    • 47
    • 75

    Mostly Sunny

Today 13 Sep Northeast Siskiyou and Northwest Modoc Counties

Sunny. Highs in the mid 70s to lower 80s. Southeast Winds around 5 Mph shifting to the southwest late in the afternoon.

Tonight 13 Sep Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy. Lows in the mid 40s to lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lava Beds National Monument Temperature Statistics

September Temperature

Klamath Falls International Airport (29.8 miles)

  • Lowest 8 September, 2025

    43 °F

  • Average September

    63.5 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Klamath Falls International Airport (29.8 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    63.1 °F
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