Merrill Weather Forecast

    • 51
    • 91

    Sunny

    • 54
    • 90

    Partly Sunny

    • 50
    • 86

    Partly Sunny

    • 46
    • 82

    Mostly Sunny

    • 48
    • 84

    Mostly Sunny

    • 49
    • 86

    Partly Sunny

Today 19 Aug Klamath Basin

Partly cloudy early this morning then clearing. Highs in the mid 80s to lower 90s. North Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 19 Aug Klamath Basin

Clear. Lows in the mid 40s to mid 50s. Northwest Winds 5 to 10 Mph until well after midnight becoming light.

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Merrill Temperature Statistics

August Temperature

Klamath Falls International Airport (10.6 miles)

  • Lowest 2 August, 2026

    41.6 °F

  • Average August

    68.9 °F

  • Highest 7 August, 2026

    97.6 °F

Climate (2021–2026)

Klamath Falls International Airport (10.6 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    63.4 °F
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