Sun Valley Lake Weather Forecast

    • 19
    • 39

    Rain

    • 0
    • 23

    Chance Snow

    • 0
    • 12

    Partly Sunny

    • -7
    • 12

    Partly Sunny

    • 11
    • 17

    Partly Sunny

    • 17
    • 32

    Mostly Cloudy

Today 18 Jan Ross

Rain. Highs around 40. South Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of rain 100 percent.

Tonight 18 Jan Ross

Rain, mild. Lows in the mid 30s. South Winds 10 to 15 Mph. Chance of rain 100 percent.

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Sun Valley Lake Temperature Statistics

January Temperature

Chillicothe Ross County Airport (5 miles)

  • Lowest 10 January, 2025

    -0.4 °F

  • Average January

    19.2 °F

  • Highest 12 January, 2025

    35.6 °F

Climate (2020–Present)

Chillicothe Ross County Airport (5 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    63.9 °F
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