Rosslyn Farms Weather Forecast

    • 66
    • 80

    Chance Rain Showers

    • 59
    • 76

    Chance Thunderstorms

    • 52
    • 75

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 53
    • 74

    Mostly Sunny

Today 26 May Allegheny

Partly sunny in the Morning, then mostly cloudy with a slight chance of Showers and Thunderstorms in the afternoon. Highs around 80. East Winds around 5 Mph, becoming southwest in the afternoon. Chance of rain 20 percent.

Tonight 26 May Allegheny

Considerable cloudiness with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Warm with Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosslyn Farms Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    57.1 °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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