Rosslyn Farms Weather Forecast

    • 64
    • 81

    Mostly Sunny

    • 69
    • 86

    Partly Sunny

    • 66
    • 84

    Rain Showers Likely

    • 60
    • 79

    Slight Chance Rain Showers

    • 66
    • 80

    Chance Rain Showers

    • 65
    • 80

    Chance Thunderstorms

    • 63
    • 78

    Chance Rain Showers

Today 15 Sep Allegheny

Mostly sunny. Near steady temperature around 80. South Winds 5 to 10 Mph.

Tonight 15 Sep Allegheny

Clear. Lows in the lower 60s. South Winds around 5 Mph.

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Rosslyn Farms Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 6 September, 2026

    57.9 °F

  • Average September

    73 °F

  • Highest 2 September, 2026

    91 °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

    54.7 °F

  • Average High 2021–2026

    63.3 °F
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