Merrimac Weather Forecast

    • 58
    • 71

    Becoming Sunny

    • 57
    • 68

    Mostly Sunny

    • 62
    • 74

    Sunny

    • 64
    • 80

    Sunny

    • 55
    • 74

    Sunny

    • 50
    • 66

    Sunny

Today 15 Jun Western Plumas County/Lassen Park

Mostly sunny. Highs 63 to 78 higher Elevations. 69 to 84 lower Elevations. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 15 Jun Western Plumas County/Lassen Park

Mostly clear. Lows 44 to 59. Prevailing southwest Winds up to 10 Mph in the evening becoming light.

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Merrimac Temperature Statistics

June Temperature

Oroville Municipal Airport (24.9 miles)

  • Lowest 11 June, 2025

    57 °F

  • Average June

    77.2 °F

  • Highest 7 June, 2025

    97.6 °F

Climate (2020–Present)

Oroville Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    53.2 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    77.3 °F
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