Rosslyn Farms Weather Forecast

    • 54
    • 77

    Mostly Sunny

    • 49
    • 71

    Sunny

    • 53
    • 76

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

Today 29 May Allegheny

Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming west 5 to 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 29 May Allegheny

Mainly clear. Lows in the lower 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight.

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Rosslyn Farms Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    58.8 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (9.9 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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