Catfish Reservoir Weather Forecast

    • 51
    • 85

    Mostly Cloudy

    • 50
    • 72

    Slight Chance Rain Showers

    • 47
    • 74

    Slight Chance Thunderstorms

    • 46
    • 76

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

    • 49
    • 80

    Slight Chance Rain Showers

Today 18 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy. Highs 79 to 89. Light Winds becoming southeast around 10 Mph in the afternoon.

Tonight 18 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Cloudy. Slight chance of Showers after midnight. Lows 47 to 57. Southwest Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Catfish Reservoir Temperature Statistics

September Temperature

Alturas (49.7 miles)

  • Lowest 15 September, 2025

    35.1 °F

  • Average September

    66.3 °F

  • Highest 1 September, 2025

    91 °F

Climate (2020–Present)

Alturas (49.7 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