Riverside Park Weather Forecast

    • 50
    • 69

    Increasing Clouds

    • 51
    • 67

    Partly Sunny

    • 54
    • 71

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 60
    • 81

    Mostly Cloudy

Today 5 Sep Northern Coastal Humboldt

Mostly sunny until early afternoon then becoming mostly cloudy. Patchy fog in the morning. Highs 60 to 70. Northeast wind around 5 Mph shifting to the northwest in the afternoon.

Tonight 5 Sep Northern Coastal Humboldt

Mostly cloudy. Patchy fog overnight. Lows 45 to 55. North wind around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside Park Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (8.1 miles)

  • Lowest 3 September, 2026

    50 °F

  • Average September

    59.3 °F

  • Highest 1 September, 2026

    71.6 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (8.1 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.8 °F
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