Petrolia Weather Forecast

    • 47
    • 66

    Becoming Sunny

    • 46
    • 65

    Mostly Sunny

    • 46
    • 61

    Partly Sunny

    • 48
    • 60

    Chance Rain

    • 44
    • 58

    Rain Likely

    • 42
    • 55

    Rain Likely

Today 4 Feb Southwestern Humboldt

Sunny. Highs 65 to 77. East wind around 5 Mph shifting to the northeast in the afternoon.

Tonight 4 Feb Southwestern Humboldt

Mostly clear. Patchy fog in the evening. Lows 43 to 53. Southeast wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Petrolia Temperature Statistics

February Temperature

Fortuna Rohnerville Airport (17.4 miles)

  • Lowest 2 February, 2026

    44.6 °F

  • Average February

    50.9 °F

  • Highest 2 February, 2026

    64.4 °F

Climate (2021–Present)

Fortuna Rohnerville Airport (17.4 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.5 °F
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