Universal Weather Forecast

    • 62
    • 83

    Chance Thunderstorms

    • 66
    • 92

    Mostly Sunny

    • 69
    • 91

    Rain Showers Likely

    • 49
    • 80

    Rain Showers

    • 52
    • 69

    Partly Sunny

    • 55
    • 71

    Chance Rain Showers

Today 17 May Allegheny

Mostly cloudy in the Morning, then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Warm with Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 May Allegheny

Mainly clear. A slight chance of Showers and Thunderstorms in the evening. Warm with Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Universal Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (9.9 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    52.9 °F

  • Highest 5 May, 2026

    73.9 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.4 °F
Get WillyWeather+ to remove ads