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
Low: 56 °F
Chance
T-storms then
Mostly ClearSunday

High: 80 °F
Mostly Sunny
Sunday Night
Low: 60 °F
Mostly Cloudy
then Slight
Chance
T-stormsMonday

High: 75 °F
Showers
Monday Night

Low: 59 °F
Chance
ShowersTuesday

High: 78 °F
Partly Sunny
Tuesday Night

Low: 54 °F
Mostly Clear
Wednesday

High: 80 °F
Sunny
Wednesday Night

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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Arnold PA
40.59°N 79.76°W (Elev. 1001 ft)
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


