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.

Light Rain

62°F

17°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.98 in (1015.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 May 5:56 pm EDT
Extended Forecast for

Kittanning PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 59. Southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 9pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 59. Southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 62. Calm wind.
Monday
Sunny and hot, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 82. Chance of precipitation is 90%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Kittanning PA
 40.84°N 79.52°W (Elev. 1040 ft)
Last Update:
2:21 pm EDT May 16, 2026
Forecast Valid:
6pm EDT May 16, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation