Harpold Reservoir Weather Forecast

    • 27
    • 49

    Increasing Clouds

    • 29
    • 44

    Mostly Cloudy

    • 33
    • 55

    Mostly Cloudy

    • 35
    • 56

    Partly Sunny

    • 37
    • 57

    Mostly Cloudy

    • 38
    • 56

    Mostly Cloudy

Today 9 Mar Klamath Basin

Sunny. Highs in the mid 40s to lower 50s. West Winds 5 to 10 Mph.

Tonight 9 Mar Klamath Basin

Partly cloudy. Lows in the lower to mid 20s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harpold Reservoir Temperature Statistics

March Temperature

Klamath Falls International Airport (19.3 miles)

  • Lowest 6 March, 2026

    21.9 °F

  • Average March

    40 °F

  • Highest 3 March, 2026

    57.9 °F

Climate (2021–Present)

Klamath Falls International Airport (19.3 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    63.3 °F
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