South Mountain Reservoir Weather Forecast

    • 49
    • 84

    Sunny

    • 51
    • 86

    Mostly Sunny

    • 50
    • 87

    Mostly Sunny

    • 51
    • 86

    Mostly Sunny

    • 53
    • 87

    Mostly Sunny

    • 56
    • 89

    Mostly Sunny

Today 10 Aug Modoc County

Sunny. Highs in the lower to mid 80s. South Winds 10 to 15 Mph shifting to the southwest late this afternoon.

Tonight 10 Aug Modoc County

Clear. Lows in the mid 40s to mid 50s. Southwest Winds around 20 Mph decreasing to 5 to 10 Mph in the late evening and early Morning, then shifting to the southeast well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Mountain Reservoir Temperature Statistics

August Temperature

Alturas (22.4 miles)

  • Lowest 3 August, 2022

    51.1 °F
  • Average August

    74.7 °F
  • Highest 4 August, 2022

    95 °F

Climate (2010–Present)

Alturas (22.4 miles)

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  • Average Low 2010–Present

    33.4 °F
  • Average 2010–Present

    49.7 °F
  • Average High 2010–Present

    64.4 °F
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