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.

Partly Cloudy

68°F

20°C

Humidity NA
Wind Speed Calm
Barometer 30.02 in (1016.2 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 20 Aug 1:56 am EDT
Extended Forecast for

4 Miles N Harmony PA

  • Overnight

    Overnight: A chance of showers, with thunderstorms also possible after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely before 3pm, then a chance of showers. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Light northeast wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 79. East wind around 6 mph.

    High: 79 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 61. Light east wind.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, with thunderstorms also possible after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely before 3pm, then a chance of showers. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Mostly clear, with a low around 58. Light northeast wind.
Friday
Partly sunny, then gradually becoming sunny, with a high near 79. East wind around 6 mph.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 61. Light east wind.
Saturday
A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Harmony PA
 40.87°N 80.13°W (Elev. 1280 ft)
Last Update:
2:21 am EDT Aug 20, 2026
Forecast Valid:
3am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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