Inter County Airport Weather Forecast

    • 49
    • 75

    Rain Showers

    • 53
    • 69

    Rain Showers Likely

    • 51
    • 65

    Rain Showers

    • 58
    • 69

    Rain Showers

    • 61
    • 81

    Rain Showers

    • 61
    • 80

    Rain Showers Likely

Today 20 May Westmoreland

Showers with a chance of Thunderstorms. Highs in the mid 70s. Temperatures falling into the upper 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 20 May Westmoreland

Showers likely with a slight chance of Thunderstorms. Less humid with Lows in the upper 40s. North Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Inter County Airport Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (7.5 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    55.9 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (7.5 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.4 °F
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