Rosslyn Farms Weather Forecast

    • 67
    • 82

    Chance Rain Showers

    • 64
    • 81

    Rain Showers Likely

    • 66
    • 84

    Partly Sunny

    • 68
    • 85

    Rain Showers Likely

    • 63
    • 82

    Chance Rain Showers

    • 63
    • 81

    Mostly Sunny

Today 13 Aug Allegheny

Mostly cloudy in the Morning, then becoming partly sunny. Humid with Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 13 Aug Allegheny

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Humid with Lows in the mid 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 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

    73.7 °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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