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.

A Few Clouds

43°F

6°C

Humidity 35%
Wind Speed NW 10 mph
Barometer 30.30 in (1027.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 20 Apr 5:56 pm EDT
Extended Forecast for

Harrison Township PA

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

  • Tonight

    Tonight: Widespread frost after 2am. Otherwise, mostly clear, with a low around 25. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 8am. Otherwise, sunny, with a high near 66. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 66 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Widespread frost after 2am. Otherwise, mostly clear, with a low around 25. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Widespread frost before 8am. Otherwise, sunny, with a high near 66. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrison Township PA
 40.63°N 79.72°W (Elev. 997 ft)
Last Update:
5:47 pm EDT Apr 20, 2026
Forecast Valid:
6pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation