Hartson Lake Weather Forecast

    • 59
    • 89

    Increasing Clouds

    • 56
    • 90

    Decreasing Clouds

    • 54
    • 86

    Sunny

    • 44
    • 77

    Breezy

    • 48
    • 68

    Sunny

    • 49
    • 72

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

Today 9 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 82 to 92. Light Winds becoming south around 10 Mph in the afternoon.

Tonight 9 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Clear in the evening then becoming partly cloudy. Lows 49 to 59. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartson Lake Temperature Statistics

September Temperature

Reno/Stead (50.3 miles)

  • Lowest 7 September, 2026

    37.4 °F

  • Average September

    59.5 °F

  • Highest 1 September, 2026

    75.2 °F

Climate (2021–2026)

Reno/Stead (50.3 miles)

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

  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    64.4 °F
Get WillyWeather+ to remove ads