Patterson Lake Weather Forecast

    • 52
    • 67

    Increasing Clouds

    • 46
    • 59

    Slight Chance Thunderstorms

    • 45
    • 59

    Partly Sunny

    • 46
    • 60

    Mostly Sunny

    • 49
    • 65

    Mostly Sunny

    • 46
    • 63

    Chance Rain Showers

Today 18 Sep Modoc County

Sunny in the Morning, then partly cloudy with a slight chance of Thunderstorms in the afternoon. Highs in the lower to mid 80s. East Winds around 5 Mph shifting to the south late in the afternoon.

Tonight 18 Sep Modoc County

Mostly cloudy. A 20 percent chance of Showers after midnight. Lows in the lower to mid 50s. West Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Patterson Lake Temperature Statistics

September Temperature

Alturas (18.6 miles)

  • Lowest 15 September, 2025

    35.1 °F

  • Average September

    65.9 °F

  • Highest 1 September, 2025

    91 °F

Climate (2020–Present)

Alturas (18.6 miles)

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

  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    64.4 °F
Get WillyWeather+ to remove ads