National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh International Airport (KPIT)

Lat: 40.48°NLon: 80.21°WElev: 1203ft.

Overcast

60°F

16°C

Humidity 48%
Wind Speed S 3 mph
Barometer 30.00 in (1016.5 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 12 May 10:51 pm EDT
Extended Forecast for

McDonald PA

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 55. Light south wind increasing to 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 67. Southwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 45. West wind 8 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 56. Northwest wind 13 to 16 mph. Chance of precipitation is 20%.

    High: 56 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 55. Light south wind increasing to 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 67. Southwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 45. West wind 8 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 56. Northwest wind 13 to 16 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 42. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
McDonald PA
 40.37°N 80.26°W (Elev. 1096 ft)
Last Update:
6:36 pm EDT May 12, 2026
Forecast Valid:
10pm EDT May 12, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation