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

Hazardous Weather Conditions

Current conditions at

Pittsburgh International Airport (KPIT)

Lat: 40.48°NLon: 80.21°WElev: 1203ft.

Mostly Cloudy

70°F

21°C

Humidity 82%
Wind Speed SE 3 mph
Barometer 30.11 in (1019.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 31 Aug 2:51 am EDT
Extended Forecast for

Sewickley PA

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers then
    Isolated
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. Southwest wind 3 to 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 90. West wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and 2am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Monday
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 72. Southwest wind 3 to 5 mph.
Tuesday
Scattered showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 90. West wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and 2am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny and hot, with a high near 92.
Wednesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sewickley PA
 40.54°N 80.2°W (Elev. 797 ft)
Last Update:
2:46 am EDT Aug 31, 2026
Forecast Valid:
3am EDT Aug 31, 2026-6pm EDT Sep 6, 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