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.

Mostly Cloudy

88°F

31°C

Humidity 43%
Wind Speed SW 14 G 23 mph
Barometer 30.10 in (1018.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 May 3:56 pm EDT
Extended Forecast for

Kittanning PA

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 91. Southwest wind around 9 mph.

    High: 91 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 11am and noon. Mostly sunny and hot, with a high near 90. South wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 66. West wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. West wind 7 to 9 mph becoming northwest in the afternoon. 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

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 91. Southwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms between 11am and noon. Mostly sunny and hot, with a high near 90. South wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. West wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 76. West wind 7 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
Showers. Low around 52. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kittanning PA
 40.81°N 79.52°W (Elev. 804 ft)
Last Update:
2:21 pm EDT May 18, 2026
Forecast Valid:
4pm EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation