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

54°F

12°C

Humidity 34%
Wind Speed S 9 mph
Barometer 30.18 in (1023.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 29 Mar 8:56 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: Scattered showers before 11am, then isolated showers after 5pm. Mostly cloudy, with a high near 66. Southwest wind 7 to 11 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

    Scattered
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then rain and possibly a thunderstorm after 2am. Low around 57. South 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

    Showers

  • 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
Scattered showers before 11am, then isolated showers after 5pm. Mostly cloudy, with a high near 66. Southwest wind 7 to 11 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
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then rain and possibly a thunderstorm after 2am. Low around 57. South 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:
7:06 pm EDT Mar 29, 2026
Forecast Valid:
9pm EDT Mar 29, 2026-6pm EDT Apr 5, 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