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

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Fair

60°F

16°C

Humidity 23%
Wind Speed SW 9 G 17 mph
Barometer 30.24 in (1024.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 29 Mar 5:56 pm EDT
Extended Forecast for

Harmony PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. South wind 3 to 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain before 11am, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 66. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm. Low around 57. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 8am, then a chance of rain between 8am and 2pm, then a slight chance of rain and thunderstorms after 2pm. High near 76. Southwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 11am. High near 70. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. South wind 3 to 6 mph.
Monday
A chance of rain before 11am, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 66. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm. Low around 57. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Rain and possibly a thunderstorm before 8am, then a chance of rain between 8am and 2pm, then a slight chance of rain and thunderstorms after 2pm. High near 76. Southwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, with thunderstorms also possible after 11am. High near 70. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Thursday
Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
Rain likely, mainly after 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Saturday
Rain likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Harmony PA
 40.8°N 80.13°W (Elev. 968 ft)
Last Update:
2:21 pm EDT Mar 29, 2026
Forecast Valid:
6pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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