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

80°F

27°C

Humidity 47%
Wind Speed NE 5 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 11 Sep 4:51 pm EDT
Extended Forecast for

Coraopolis PA

Flood Watch September 12, 12:00pm until September 13, 01:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Increasing clouds, with a low around 64. Calm wind.

    Low: 64 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 81. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 67. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 82. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 64. Calm wind.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 81. Calm wind becoming south around 6 mph in the morning. 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 before 2am, then a slight chance of showers between 2am and 3am. Low around 67. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 82. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coraopolis PA
 40.52°N 80.18°W (Elev. 938 ft)
Last Update:
2:22 pm EDT Sep 11, 2026
Forecast Valid:
5pm EDT Sep 11, 2026-6pm EDT Sep 18, 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