National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Light Rain

42°F

6°C

Humidity 100%
Wind Speed NW 14 G 23 mph
Barometer 29.78 in (1009.0 mb)
Dewpoint 42°F (6°C)
Visibility 7.00 mi
Wind Chill35°F (2°C)
Last update 11 Mar 11:56 pm EDT
Extended Forecast for

Arnold PA

  • Overnight

    Overnight: Scattered showers. Cloudy, with a low around 33. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Scattered
    Showers

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 42. Northwest wind around 14 mph, with gusts as high as 26 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. West wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm. Mostly cloudy, with a high near 54. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 8am. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
Scattered showers. Cloudy, with a low around 33. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 42. Northwest wind around 14 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 30. West wind around 6 mph becoming calm in the evening.
Friday
A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm. Mostly cloudy, with a high near 54. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 30. West wind 10 to 14 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A chance of snow after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
A chance of snow before 8am. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Sunday Night
Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.
Monday
Rain, possibly mixed with snow, mainly before 2pm. High near 52. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 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:
7:36 pm EDT Mar 11, 2026
Forecast Valid:
12am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation