Susanville Weather Forecast

    • 52
    • 83

    Patchy Smoke

    • 50
    • 86

    Partly Sunny

    • 49
    • 87

    Mostly Sunny

    • 49
    • 87

    Mostly Sunny

    • 49
    • 87

    Mostly Sunny

    • 46
    • 82

    Partly Sunny

Today 20 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy. Highs 73 to 83. East Winds 10 to 15 Mph.

Tonight 20 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy. Patchy smoke in the evening. Lows 43 to 53. Light Winds.

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Susanville Temperature Statistics

September Temperature

Reno/Stead (65.9 miles)

  • Lowest 15 September, 2026

    35.6 °F

  • Average September

    63 °F

  • Highest 9 September, 2026

    87.8 °F

Climate (2021–2026)

Reno/Stead (65.9 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    64.4 °F
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