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

74°F

23°C

Humidity 31%
Wind Speed Vrbl 3 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 2 Oct 4:56 pm EDT
Extended Forecast for

Arnold PASimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Southeast wind around 6 mph becoming calm after midnight.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming south around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, sunny, with a high near 82. Calm wind.

    High: 82 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 3am. Otherwise, clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. Southeast wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 79. Calm wind becoming south around 5 mph.
Friday Night
Patchy fog after 2am. Otherwise, clear, with a low around 48. Calm wind.
Saturday
Areas of fog before 9am. Otherwise, sunny, with a high near 82. Calm wind.
Saturday Night
Patchy fog after 3am. Otherwise, clear, with a low around 49. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 82.
Sunday Night
Clear, with a low around 52.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Scattered showers, mainly after 8am. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Wednesday
Scattered showers. Partly sunny, with a high near 69. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold PASimilar City Names
 40.57°N 79.76°W (Elev. 860 ft)
Last Update:
4:02 pm EDT Oct 2, 2025
Forecast Valid:
5pm EDT Oct 2, 2025-6pm EDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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