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

Widespread Summer Heat; Enhanced Severe Weather

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, an enhanced risk of organized severe thunderstorms is possible from Iowa to Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

77°F

25°C

Humidity 77%
Wind Speed SE 5 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Aug 9:53 am EDT
Extended Forecast for

Pittsburgh PA

  • Today

    Today: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Chance
    T-storms

    High: 87 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    Low: 71 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 69 °F

  • Thursday

    Thursday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 79 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 60 °F

  • Friday

    Friday: Mostly sunny, with a high near 75.

    Mostly Sunny

    High: 75 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 56.

    Partly Cloudy

    Low: 56 °F

  • Saturday

    Saturday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 82.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Pittsburgh PA
 40.46°N 79.98°W (Elev. 791 ft)
Last Update:
7:53 am EDT Aug 20, 2019
Forecast Valid:
10am EDT Aug 20, 2019-6pm EDT Aug 26, 2019
 
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