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.

Overcast

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.15 in (1022.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 2:56 am EDT
Extended Forecast for

3 Miles NE Portersville PA

Freeze Warning April 20, 11:00pm until April 21, 09:00am
Freeze Warning until April 20, 10:00am
Click here for hazard details and duration
Freeze Warning
Freeze Warning
  •  
    Freeze Warning until April 20, 10:00am

    NOW until 10:00am Mon

    Freeze Warning

  • Overnight

    Low: 28 °F

    Scattered
    Snow Showers

  • Monday

    Monday: Patchy frost between 8am and 9am. Otherwise, increasing clouds, with a high near 46. Northwest wind 7 to 10 mph.

    High: 46 °F

    Patchy Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: Widespread frost between 4am and 5am. Otherwise, mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 51. South wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 69. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Overnight
Scattered snow showers. Mostly cloudy, with a low around 28. Northwest wind around 7 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Patchy frost between 8am and 9am. Otherwise, increasing clouds, with a high near 46. Northwest wind 7 to 10 mph.
Monday Night
Widespread frost between 4am and 5am. Otherwise, mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 65. South wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Scattered showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 51. South wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Scattered showers. Partly sunny, with a high near 69. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Portersville PA
 40.97°N 80.11°W (Elev. 1198 ft)
Last Update:
2:21 am EDT Apr 20, 2026
Forecast Valid:
3am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation