Merrimac Weather Forecast

    • 55
    • 66

    Mostly Sunny

    • 53
    • 63

    Mostly Sunny

    • 57
    • 64

    Partly Sunny

    • 55
    • 68

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 51
    • 64

    Partly Sunny

    • 48
    • 59

    Chance Rain

Today 24 Mar Western Plumas County/Lassen Park

Sunny. Highs 60 to 75. Prevailing south Winds up to 15 Mph with Gusts to around 30 Mph.

Tonight 24 Mar Western Plumas County/Lassen Park

Mostly clear. Colder. Lows 40 to 55. Prevailing south Winds up to 10 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

March Temperature

Oroville Municipal Airport (24.9 miles)

  • Lowest 11 March, 2026

    42.7 °F

  • Average March

    63.2 °F

  • Highest 19 March, 2026

    87.7 °F

Climate (2021–Present)

Oroville Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.9 °F
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