Rosslyn Farms Weather Forecast

    • 63
    • 80

    Chance Thunderstorms

    • 59
    • 78

    Chance Thunderstorms

    • 62
    • 80

    Partly Sunny

    • 62
    • 80

    Chance Thunderstorms

    • 58
    • 77

    Chance Thunderstorms

    • 58
    • 77

    Slight Chance Thunderstorms

Today 19 Aug Allegheny

Mostly sunny this Morning, then mostly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs around 80. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 19 Aug Allegheny

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Patchy fog after midnight. Humid with Lows in the lower 60s. West Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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Rosslyn Farms Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    72.9 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (9.9 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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