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.

Overcast

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 11 Sep 12:56 am EDT
Extended Forecast for

3 Miles E Prospect PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming east around 5 mph.

    High: 80 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Light northeast wind.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. East wind 5 to 7 mph becoming south 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: 79 °F

    Slight Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Light and variable wind.
Friday
Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming east around 5 mph.
Friday Night
Partly cloudy, with a low around 60. Light northeast wind.
Saturday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. East wind 5 to 7 mph becoming south 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.
Saturday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Thursday
Showers likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Prospect PA
 40.9°N 80°W (Elev. 1283 ft)
Last Update:
11:36 pm EDT Sep 10, 2026
Forecast Valid:
1am EDT Sep 11, 2026-6pm EDT Sep 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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