South Jetty Weather Forecast

    • 53
    • 61

    Increasing Clouds

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 59

    Mostly Cloudy

    • 55
    • 61

    Mostly Cloudy

    • 55
    • 61

    Mostly Cloudy

    • 57
    • 63

    Mostly Cloudy

    • 57
    • 63

    Slight Chance Rain

Today 4 Sep Northern Coastal Humboldt

Mostly cloudy. Scattered rain Showers in the Morning, then isolated Showers and Thunderstorms in the afternoon. Highs 58 to 68. Southeast wind around 10 Mph shifting to the southwest in the afternoon.

Tonight 4 Sep Northern Coastal Humboldt

Partly cloudy. Patchy fog through the night. Lows 45 to 55. West wind around 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Jetty Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (15.5 miles)

  • Lowest 2 September, 2026

    55.4 °F

  • Average September

    59.8 °F

  • Highest 1 September, 2026

    71.6 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (15.5 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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