Round Lake Weather Forecast

    • 51
    • 76

    Increasing Clouds

    • 48
    • 73

    Chance Rain Showers

    • 46
    • 60

    Chance Rain Showers

    • 44
    • 67

    Slight Chance Rain Showers

    • 45
    • 69

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

    • 45
    • 68

    Chance Rain Showers

Today 17 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 80 to 90. Light Winds becoming southeast around 10 Mph in the afternoon.

Tonight 17 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Clear in the evening then becoming partly cloudy. Lows 45 to 55. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

September Temperature

Emigrant Gap, Blue Canyon Nyack Airport (28 miles)

  • Lowest 10 September, 2025

    46.9 °F

  • Average September

    63.3 °F

  • Highest 2 September, 2025

    84 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (28 miles)

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

  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    60.5 °F
Get WillyWeather+ to remove ads