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.

Fair

47°F

8°C

Humidity 48%
Wind Speed NE 3 mph
Barometer 30.18 in (1022.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 12 May 1:53 am EDT
Extended Forecast for

Charleroi PA

Frost Advisory until May 12, 08:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until May 12, 08:00am

    NOW until 8:00am Tue

    Frost Advisory

  • Overnight

    Low: 41 °F

    Patchy Frost

  • Tuesday

    Tuesday: Areas of frost before 8am. Otherwise, sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 72 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 53. Light south wind increasing to 5 to 9 mph after midnight.

    Low: 53 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 45. West wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 20%.

    High: 56 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 41. Light northeast wind.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 53. Light south wind increasing to 5 to 9 mph after midnight.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. 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 and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 45. West wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers after 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny and hot, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleroi PA
 40.14°N 79.91°W (Elev. 1102 ft)
Last Update:
2:21 am EDT May 12, 2026
Forecast Valid:
2am EDT May 12, 2026-6pm EDT May 18, 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