Sun Valley Weather Forecast

    • 28
    • 43

    Mostly Cloudy

    • 27
    • 54

    Rain

    • 22
    • 35

    Mostly Cloudy

    • 30
    • 45

    Mostly Cloudy

    • 23
    • 40

    Chance Snow

    • 26
    • 38

    Slight Chance Rain

Today 17 Dec Hancock

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the lower 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Dec Hancock

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 20s. South Winds around 5 Mph.

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Sun Valley Temperature Statistics

December Temperature

Pittsburgh, Pittsburgh International Airport (16.2 miles)

  • Lowest 9 December, 2025

    10 °F

  • Average December

    26.8 °F

  • Highest 10 December, 2025

    42.1 °F

Climate (2020–Present)

Pittsburgh, Pittsburgh International Airport (16.2 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    63.1 °F
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