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

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

A Few Clouds

77°F

25°C

Humidity 60%
Wind Speed SW 8 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 May 12:53 pm EDT
Extended Forecast for

Whitehall PA

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Southwest wind around 9 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90. Southwest wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Southwest wind around 9 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 63. South wind around 5 mph.
Monday
Sunny and hot, with a high near 91. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 68. South wind around 7 mph.
Tuesday
Mostly sunny and hot, with a high near 90. Southwest wind 9 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 76. Chance of precipitation is 80%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
Friday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whitehall PA
 40.39°N 79.99°W (Elev. 1188 ft)
Last Update:
1:21 pm EDT May 17, 2026
Forecast Valid:
1pm EDT May 17, 2026-6pm EDT May 23, 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