Ross Reservoir Weather Forecast

    • 56
    • 84

    Sunny

    • 49
    • 79

    Sunny

    • 50
    • 74

    Sunny

    • 55
    • 79

    Sunny

    • 54
    • 84

    Mostly Sunny

    • 54
    • 79

    Partly Sunny

    • 54
    • 80

    Mostly Sunny

Today 21 May Motherlode

Sunny. Highs 77 to 89. Light Winds becoming west up to 10 Mph in the afternoon.

Tonight 21 May Motherlode

Clear. Lows 53 to 59. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ross Reservoir Temperature Statistics

May Temperature

COLUMBIA (7.5 miles)

  • Lowest 12 May, 2025

    41 °F

  • Average May

    62 °F

  • Highest 9 May, 2025

    89.6 °F

Climate (2020–Present)

COLUMBIA (7.5 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    59.9 °F

  • Average High 2020–2025

    73.8 °F
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