Bluff Weather Forecast

    • 53
    • 67

    Slight Chance Rain Showers

    • 51
    • 68

    Rain Showers

    • 55
    • 65

    Rain Showers

    • 61
    • 81

    Rain Showers Likely

    • 61
    • 82

    Rain Showers Likely

    • 63
    • 84

    Chance Rain Showers

Today 21 May Allegheny

Considerable cloudiness. A slight chance of rain early. Highs in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 May Allegheny

Mostly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bluff Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (6.2 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    57 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (6.2 miles)

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

  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.4 °F
Get WillyWeather+ to remove ads