National Weather Service Forecast for: Penn Hills PA
Issued by: National Weather Service Pittsburgh, PA
Updated: 10:04 pm EDT Aug 11, 2025
 
Tonight

Tonight: Mostly clear, with a low around 69. South wind 3 to 5 mph.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny and hot, with a high near 91. South wind around 6 mph.
Hot

 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 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
 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 85. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely then
T-storms
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
 Thursday

Thursday: A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 64.
Mostly Clear

 Friday

Friday: Sunny, with a high near 88.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 65.
Mostly Clear
Lo 69 °F Hi 91 °F Lo 71 °F Hi 85 °F Lo 67 °F Hi 85 °F Lo 64 °F Hi 88 °F Lo 65 °F

 

Tonight
 
 Mostly clear, with a low around 69. South wind 3 to 5 mph.
Tuesday
 
 Mostly sunny and hot, with a high near 91. South wind around 6 mph.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Showers and possibly a thunderstorm. High near 85. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Thursday Night
 
 Mostly clear, with a low around 64.
Friday
 
 Sunny, with a high near 88.
Friday Night
 
 Mostly clear, with a low around 65.
Saturday
 
 Sunny and hot, with a high near 92.
Saturday Night
 
 Mostly clear, with a low around 68.
Sunday
 
 Mostly sunny and hot, with a high near 92.
Sunday Night
 
 Partly cloudy, with a low around 68.
Monday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Penn Hills PA.