Merrill Weather Forecast

    • 43
    • 78

    Partly Sunny

    • 29
    • 66

    Mostly Sunny

    • 34
    • 67

    Partly Sunny

    • 38
    • 69

    Partly Sunny

    • 41
    • 71

    Partly Sunny

    • 28
    • 60

    Partly Sunny

    • 31
    • 57

    Mostly Sunny

Today 20 Mar Klamath Basin

Partly cloudy. Highs in the lower to mid 70s. West Winds 5 to 10 Mph.

Tonight 20 Mar Klamath Basin

Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Lows in the mid 30s to mid 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrill Temperature Statistics

March Temperature

Klamath Falls International Airport (10.6 miles)

  • Lowest 11 March, 2026

    19.7 °F

  • Average March

    43.2 °F

  • Highest 18 March, 2026

    75.9 °F

Climate (2021–Present)

Klamath Falls International Airport (10.6 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    63.4 °F
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