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

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Mostly Cloudy

87°F

31°C

Humidity 45%
Wind Speed S 17 G 26 mph
Barometer 30.10 in (1018.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 May 3:53 pm EDT
Extended Forecast for

Turtle Creek PA

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 92. Southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 92 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 67. South wind 5 to 7 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely between 11pm and 2am, then a chance of showers. Mostly cloudy, with a low around 67. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. High near 77. West wind 9 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 92. Southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 67. South wind 5 to 7 mph.
Tuesday
Mostly sunny and hot, with a high near 91. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and thunderstorms likely between 11pm and 2am, then a chance of showers. Mostly cloudy, with a low around 67. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 11am. High near 77. West wind 9 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 70.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
Showers. Low around 55. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Turtle Creek PA
 40.4°N 79.82°W (Elev. 801 ft)
Last Update:
2:21 pm EDT May 18, 2026
Forecast Valid:
4pm EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation