Merrimac Weather Forecast

    • 36
    • 45

    Mostly Sunny

    • 34
    • 48

    Sunny

    • 34
    • 46

    Sunny

    • 33
    • 43

    Mostly Sunny

    • 34
    • 45

    Mostly Sunny

    • 39
    • 50

    Mostly Sunny

    • 36
    • 51

    Mostly Sunny

Today 17 Jan Western Plumas County/Lassen Park

Widespread frost in the morning. Sunny. Highs 35 to 49 higher Elevations. 41 to 53 lower Elevations. Light Winds.

Tonight 17 Jan Western Plumas County/Lassen Park

Mostly clear. Colder. Lows 21 to 36. Light Winds.

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Merrimac Temperature Statistics

January Temperature

Oroville Municipal Airport (24.9 miles)

  • Lowest 14 January, 2025

    37.9 °F

  • Average January

    52.7 °F

  • Highest 9 January, 2025

    75.7 °F

Climate (2020–Present)

Oroville Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    53.3 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    77.3 °F
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