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.

Fog

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in (1019.6 mb)
Dewpoint 68°F (20°C)
Visibility 0.25 mi
Last update 15 Jul 3:56 am EDT
Extended Forecast for

Harmony PA

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 69. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 67. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Patchy Fog
    then Chance
    Showers

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 69. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 67. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Patchy fog. Otherwise, partly sunny, with a high near 85. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Harmony PA
 40.8°N 80.13°W (Elev. 968 ft)
Last Update:
4:03 am EDT Jul 15, 2025
Forecast Valid:
4am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation