Rio Dell Weather Forecast

    • 57
    • 68

    Rain Showers

    • 55
    • 66

    Rain

    • 53
    • 63

    Chance Rain

    • 53
    • 64

    Mostly Cloudy

    • 52
    • 66

    Mostly Cloudy

    • 54
    • 67

    Chance Rain

    • 52
    • 65

    Chance Rain

Today 8 Sep Northern Humboldt Coast

Rain Showers likely in the morning. Slight chance of Thunderstorms through the day. Rain Showers in the afternoon. Highs 65 to 75. Southeast wind around 5 Mph shifting to the south in the afternoon.

Tonight 8 Sep Northern Humboldt Coast

Mostly cloudy. Rain Showers and slight chance of Thunderstorms in the Evening, then chance of rain overnight. Patchy fog overnight. Lows 53 to 63. Southeast wind around 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Dell Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (3.7 miles)

  • Lowest 1 September, 2025

    53.6 °F

  • Average September

    57.9 °F

  • Highest 6 September, 2025

    68 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.5 °F
Get WillyWeather+ to remove ads