Current conditions at
Pittsburgh/Butler Regional Airport (KBTP)
Lat: 40.78°NLon: 79.96°WElev: 1248ft.
Overcast
43°F
6°C
| Humidity | 60% |
| Wind Speed | W 13 G 21 mph |
| Barometer | 30.04 in (1018.3 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 5 Apr 6:56 pm EDT |
Extended Forecast for
Arnold PA
Tonight
Low: 34 °F
Slight Chance
Showers then
Mostly CloudyMonday

High: 52 °F
Chance
ShowersMonday Night

Low: 30 °F
Slight Chance
Rain/SnowTuesday

High: 43 °F
Partly Sunny
Tuesday Night

Low: 24 °F
Mostly Clear
then FrostWednesday

High: 60 °F
Frost then
Mostly SunnyWednesday Night

Low: 38 °F
Partly Cloudy
Thursday

High: 70 °F
Mostly Sunny
Thursday Night

Low: 48 °F
Partly Cloudy
Detailed Forecast
Tonight
A slight chance of showers before 8pm. Mostly cloudy, with a low around 34. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Monday
A chance of showers after noon. Areas of frost between 7am and 8am. Otherwise, partly sunny, with a high near 52. West wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 30. West wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 43. Northwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 24. Light and variable wind.
Wednesday
Widespread frost before 7am. Otherwise, sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 81.
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)
5:21 pm EDT Apr 5, 2026
7pm EDT Apr 5, 2026-6pm EDT Apr 12, 2026


