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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Smithton PA

  • Overnight

    Overnight: Clear, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 90. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 63. South wind around 5 mph.
Monday
Sunny and hot, with a high near 90. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 66. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 88. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
Showers. Low around 56. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithton PA
 40.14°N 79.71°W (Elev. 1063 ft)
Last Update:
2:21 am EDT May 18, 2026
Forecast Valid:
3am EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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