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.

Unknown Precip

31°F

-1°C

Humidity 79%
Wind Speed E 10 mph
Barometer 30.33 in (1028.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 3 Mar 1:56 am EST
Extended Forecast for

Arnold PASimilar City Names

  • Overnight

    Overnight: Rain, mainly before 5am. Low around 30. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 54. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Patchy fog after 2am. Low around 43. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain after 7am. Mostly cloudy, with a high near 58. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 10pm, then rain likely and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 50. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 1pm. High near 68. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Rain

  • Friday

    Friday: A chance of rain before 1pm. Partly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Rain, mainly before 5am. Low around 30. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 54. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Patchy fog after 2am. Low around 43. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain after 7am. Mostly cloudy, with a high near 58. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before 10pm, then rain likely and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 50. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 68. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 56. Chance of precipitation is 80%.
Friday
A chance of rain before 1pm. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
Rain, mainly after 1pm. High near 77. Chance of precipitation is 80%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A chance of rain. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold PASimilar City Names
 40.57°N 79.76°W (Elev. 860 ft)
Last Update:
1:21 am EST Mar 3, 2026
Forecast Valid:
2am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation