Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Partly Cloudy

69°F

21°C

Humidity 66%
Wind Speed E 3 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 6:56 pm EDT
Extended Forecast for

Arnold PA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm.  Partly cloudy, with a low around 56. West wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Northwest wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers before 1am, then a slight chance of thunderstorms after 5am.  Mostly cloudy, with a low around 60. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 75. Southeast wind 9 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 75 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. Northwest wind 5 to 8 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 56. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 80. Northwest wind 3 to 7 mph.
Sunday Night
A slight chance of showers before 1am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 60. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 20%.
Monday
Showers and possibly a thunderstorm. High near 75. Southeast wind 9 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Northwest wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold PA
 40.59°N 79.76°W (Elev. 1001 ft)
6:46 pm EDT Jun 20, 2026
7pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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