Acosta Weather Forecast

    • 24
    • 40

    Decreasing Clouds

    • 33
    • 44

    Rain/Snow

    • 18
    • 35

    Chance Snow Showers

    • 30
    • 44

    Mostly Cloudy

    • 20
    • 37

    Mostly Cloudy

    • 22
    • 34

    Chance Rain Showers

Today 17 Dec Somerset

Mostly cloudy this Morning, then becoming mostly sunny. Highs around 40. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 17 Dec Somerset

Mostly cloudy in the Evening, then clearing. Patchy fog. Lows in the mid 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south after midnight.

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Acosta Temperature Statistics

December Temperature

Johnstown - Cambria County Airport (18.6 miles)

  • Lowest 15 December, 2025

    5 °F

  • Average December

    22.4 °F

  • Highest 10 December, 2025

    41 °F

Climate (2020–Present)

Johnstown - Cambria County Airport (18.6 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    58.4 °F
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