Merrill Weather Forecast

    • 33
    • 65

    Sunny

    • 33
    • 74

    Mostly Sunny

    • 35
    • 69

    Mostly Sunny

    • 30
    • 60

    Partly Sunny

    • 30
    • 62

    Sunny

    • 34
    • 70

    Sunny

    • 38
    • 76

    Mostly Sunny

Today 13 May Klamath Basin

Sunny. Highs in the mid 50s to mid 60s. West Winds 10 to 20 Mph.

Tonight 13 May Klamath Basin

Clear. Lows in the lower to mid 30s. Northwest Winds 10 to 15 Mph decreasing to around 5 Mph after Midnight, then shifting to the southwest well after midnight.

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Merrill Temperature Statistics

May Temperature

Klamath Falls International Airport (10.6 miles)

  • Lowest 7 May, 2026

    33.7 °F

  • Average May

    58 °F

  • Highest 11 May, 2026

    82.9 °F

Climate (2021–Present)

Klamath Falls International Airport (10.6 miles)

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  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    63.5 °F
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