Petrolia Weather Forecast

    • 49
    • 66

    Partly Sunny

    • 51
    • 68

    Partly Sunny

    • 50
    • 66

    Mostly Cloudy

    • 53
    • 74

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 51
    • 69

    Partly Sunny

Today 8 May Southwestern Humboldt

Mostly cloudy in the morning then clearing. Highs 63 to 78. North wind 5 to 15 Mph.

Tonight 8 May Southwestern Humboldt

Mostly clear. Lows 42 to 52. North wind 5 to 15 Mph with Gusts at higher Elevations to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Petrolia Temperature Statistics

May Temperature

Fortuna Rohnerville Airport (17.4 miles)

  • Lowest 1 May, 2026

    48.2 °F

  • Average May

    51.8 °F

  • Highest 5 May, 2026

    60.8 °F

Climate (2021–Present)

Fortuna Rohnerville Airport (17.4 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.7 °F
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