Alton Weather Forecast

    • 54
    • 71

    Rain

    • 53
    • 72

    Rain Showers

    • 51
    • 66

    Rain Likely

    • 56
    • 70

    Chance Rain Showers

    • 54
    • 67

    Partly Sunny

    • 54
    • 68

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

Today 15 Sep Northern Humboldt Coast

Mostly cloudy. Rain likely in the afternoon. Highs 66 to 76. East wind around 5 Mph shifting to the southwest in the afternoon.

Tonight 15 Sep Northern Humboldt Coast

Rain through the night. Slight chance of Thunderstorms overnight. Lows 49 to 59. West wind around 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (0.6 miles)

  • Lowest 12 September, 2019

    51.8 °F

  • Average September

    61.7 °F

  • Highest 1 September, 2019

    71.6 °F

Climate (2011–Present)

Fortuna Rohnerville Airport (0.6 miles)

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

  • Average Low 2011–Present

    46.1 °F

  • Average 2011–Present

    52.4 °F

  • Average High 2011–Present

    60.6 °F
Get an account to remove ads