Rosslyn Farms Weather Forecast

    • 20
    • 42

    Snow Showers

    • 21
    • 29

    Chance Snow Showers

    • 15
    • 33

    Snow Showers Likely

    • 14
    • 24

    Chance Snow Showers

    • 15
    • 27

    Mostly Cloudy

    • 16
    • 31

    Slight Chance Snow Showers

Today 29 Dec Allegheny

Considerable cloudiness. A chance of rain in the Morning, then a chance of snow Showers in the afternoon. Patchy blowing snow in the afternoon. Windy with Highs in the mid 40s. Temperatures falling into the upper 20s in the afternoon. West Winds 20 to 30 Mph with Gusts up to 50 Mph. Chance of precipitation 50 percent.

Tonight 29 Dec Allegheny

Snow Showers. Patchy blowing snow. Little or no snow accumulation. Blustery and much Colder with Lows in the lower 20s. West Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of snow 90 percent.

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Rosslyn Farms Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 15 December, 2025

    7 °F

  • Average December

    30.3 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (9.9 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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