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

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Partly Cloudy

71°F

22°C

Humidity 94%
Wind Speed E 5 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 28 Jun 9:53 pm EDT
Extended Forecast for

Twilight PA

  • Tonight

    Tonight: Widespread fog, mainly after 2am. Otherwise, partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy
    then Fog

  • Monday

    Monday: Widespread fog, mainly before 8am. Otherwise, partly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 8 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread fog, mainly after 2am. Otherwise, partly cloudy, with a low around 67. Calm wind.
Monday
Widespread fog, mainly before 8am. Otherwise, partly sunny, with a high near 87. Calm wind.
Monday Night
Partly cloudy, with a low around 69. Calm wind.
Tuesday
Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Clear, with a low around 74.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 74.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Independence Day
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 92. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Twilight PA
 40.12°N 79.89°W (Elev. 984 ft)
Last Update:
9:21 pm EDT Jun 28, 2026
Forecast Valid:
10pm EDT Jun 28, 2026-6pm EDT Jul 5, 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