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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Overcast

63°F

17°C

Humidity 81%
Wind Speed SE 6 mph
Barometer 30.03 in (1017.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Oct 6:56 pm EDT
Extended Forecast for

Harmony PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. Light and variable wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers, mainly between 10am and 3pm. Temperature falling to around 59 by 5pm. Southwest wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F⇓

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 36. West wind around 11 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 51. North wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 51 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 31. Calm wind.

    Low: 31 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, clear, with a low around 34.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. Light and variable wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers, mainly between 10am and 3pm. Temperature falling to around 59 by 5pm. Southwest wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 36. West wind around 11 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 51. North wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 31. Calm wind.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 60.
Sunday Night
Patchy frost after 3am. Otherwise, clear, with a low around 34.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harmony PA
 40.8°N 80.13°W (Elev. 968 ft)
Last Update:
6:51 pm EDT Oct 15, 2026
Forecast Valid:
7pm EDT Oct 15, 2026-6pm EDT Oct 22, 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