National Weather Service Forecast for: Penn Hills PA
Issued by: National Weather Service Pittsburgh, PA
Updated: 4:05 am EDT Jun 23, 2025
 
Today

Today: Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming west around 6 mph in the afternoon.
Hot

 Tonight

Tonight: Mostly clear, with a low around 74. Light west wind.
Mostly Clear

 Tuesday

Tuesday: Isolated showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunny then
Isolated
T-storms
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 73. Light and variable wind.
Partly Cloudy

 Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 90. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Thursday

Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 60%.
Partly Sunny
then Showers
Likely
 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Showers
Likely then
Chance
T-storms
 Friday

Friday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
Hi 95 °F Lo 74 °F Hi 94 °F Lo 73 °F Hi 90 °F Lo 72 °F Hi 90 °F Lo 72 °F Hi 90 °F

Air Quality Alert
Hazardous Weather Outlook
Extreme Heat Warning
 

Today
 
 Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming west around 6 mph in the afternoon.
Tonight
 
 Mostly clear, with a low around 74. Light west wind.
Tuesday
 
 Isolated showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
 
 Partly cloudy, with a low around 73. Light and variable wind.
Wednesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 90. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. 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, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 60%.
Thursday Night
 
 Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
 
 Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 70%.
Friday Night
 
 Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Saturday
 
 Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Penn Hills PA.