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.

Fair

29°F

-2°C

Humidity 61%
Wind Speed S 9 mph
Barometer 30.13 in (1022.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Jan 11:53 pm EST
Extended Forecast for

Belle Vernon PA

  • Overnight

    Overnight: Clear, with a low around 28. South wind around 8 mph.

    Low: 28 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 49. South wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 49 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 40. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain before 4pm, then rain, possibly mixed with snow. High near 46. Southwest wind around 10 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 16. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: Scattered snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.

    High: 24 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Likely

Detailed Forecast

Overnight
Clear, with a low around 28. South wind around 8 mph.
Tuesday
Increasing clouds, with a high near 49. South wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 40. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Rain before 4pm, then rain, possibly mixed with snow. High near 46. Southwest wind around 10 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 16. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
Scattered snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 12.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
Friday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 11.
M.L.King Day
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belle Vernon PA
 40.14°N 79.85°W (Elev. 899 ft)
Last Update:
12:03 am EST Jan 13, 2026
Forecast Valid:
12am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation