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.

Fair

37°F

3°C

Humidity 73%
Wind Speed SW 8 mph
Barometer 29.96 in (1016.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 13 Nov 1:56 am EST
Extended Forecast for

Arnold PA

  • Overnight

    Overnight: Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. West wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. West wind 3 to 6 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Southwest wind 3 to 7 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 41. Chance of precipitation is 90%.

    Low: 41 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 1pm. Partly sunny, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 50. West wind 10 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 28. West wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 51. Southwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 30. Calm wind.
Saturday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 41. Chance of precipitation is 90%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 52. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
A chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold PA
 40.59°N 79.76°W (Elev. 1001 ft)
Last Update:
1:22 am EST Nov 13, 2025
Forecast Valid:
2am EST Nov 13, 2025-6pm EST Nov 19, 2025
 
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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