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    • 41

    Partly Sunny

    • 14
    • 33

    Mostly Sunny

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    Rain Showers Likely

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    Rain Showers Likely

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    Rain Showers Likely

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    Rain Showers Likely

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    Chance Rain Showers

Today 20 Dec Somerset

Mostly sunny. Highs in the lower 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 20 Dec Somerset

Mostly clear this Evening, then becoming partly cloudy. Not as cool with Lows in the upper 20s. Southwest Winds 10 to 15 Mph, becoming west 15 to 20 Mph after midnight.

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December Temperature

Johnstown - Cambria County Airport (5 miles)

  • Lowest 15 December, 2025

    5 °F

  • Average December

    24.5 °F

  • Highest 18 December, 2025

    46.9 °F

Climate (2020–Present)

Johnstown - Cambria County Airport (5 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    58.4 °F
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