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.

Light Snow Fog/Mist

27°F

-3°C

Humidity 92%
Wind Speed W 7 mph
Barometer 29.93 in (1015.3 mb)
Dewpoint 25°F (-4°C)
Visibility 1.50 mi
Wind Chill19°F (-7°C)
Last update 23 Feb 12:53 am EST
Extended Forecast for

Arnold PA

Winter Weather Advisory February 23, 01:37am until February 24, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 23, 01:37am until February 24, 01:00am

    NOW until 1:00am Tue

    Winter Weather Advisory

  • Overnight

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: A chance of snow, mainly between 3pm and 4pm. Mostly cloudy, with a high near 37. Northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before 7pm. Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. West wind around 8 mph becoming southwest in the afternoon.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow before 4am, then snow, possibly mixed with rain. Low around 28. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely
    then
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A chance of snow. Cloudy, with a low around 28. Northwest wind 5 to 9 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Monday
A chance of snow, mainly between 3pm and 4pm. Mostly cloudy, with a high near 37. Northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of snow, mainly before 7pm. Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 36. West wind around 8 mph becoming southwest in the afternoon.
Tuesday Night
Snow before 4am, then snow, possibly mixed with rain. Low around 28. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold PA
 40.57°N 79.76°W (Elev. 860 ft)
Last Update:
1:22 am EST Feb 23, 2026
Forecast Valid:
1am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation