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

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Light Snow

23°F

-5°C

Humidity 81%
Wind Speed SW 6 mph
Barometer 30.13 in (1022.7 mb)
Dewpoint 18°F (-8°C)
Visibility 7.00 mi
Wind Chill16°F (-9°C)
Last update 3 Feb 3:56 am EST
Extended Forecast for

Arnold PA

  • Overnight

    Overnight: A chance of snow. Mostly cloudy, with a low around 22. Light southwest wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 4pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 30. Light southwest wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of flurries before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Calm wind.

    Low: 4 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Calm wind becoming north around 5 mph in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers. High near 32. Chance of precipitation is 90%.

    High: 32 °F

    Snow Showers

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.

    Low: 7 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A chance of snow. Mostly cloudy, with a low around 22. Light southwest wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A chance of snow before 4pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 30. Light southwest wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of flurries before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Calm wind.
Wednesday
Mostly sunny, with a high near 25. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 4. Calm wind.
Thursday
Partly sunny, with a high near 22.
Thursday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Friday
Snow showers. High near 32. Chance of precipitation is 90%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around -4.
Monday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold PA
 40.59°N 79.76°W (Elev. 1001 ft)
Last Update:
4:04 am EST Feb 3, 2026
Forecast Valid:
4am EST Feb 3, 2026-6pm EST Feb 9, 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