Nine Springs Reservoir Weather Forecast

    • 42
    • 70

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 44
    • 70

    Slight Chance Rain Showers

    • 44
    • 65

    Rain Showers Likely

    • 42
    • 53

    Rain Showers Likely

    • 44
    • 63

    Chance Rain Showers

Today 30 Apr Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny in the morning then becoming partly cloudy. Highs 64 to 74. Light Winds becoming east around 10 Mph in the afternoon.

Tonight 30 Apr Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the evening then clearing. Lows 36 to 46. Northeast Winds around 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nine Springs Reservoir Temperature Statistics

April Temperature

Alturas (41.6 miles)

  • Lowest 17 April, 2026

    13.6 °F

  • Average April

    44.9 °F

  • Highest 5 April, 2026

    73.7 °F

Climate (2021–Present)

Alturas (41.6 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    64.9 °F
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