National Weather Service Forecast for: Bethel Park PA
Issued by: National Weather Service Pittsburgh, PA
Updated: 10:04 pm EDT Aug 11, 2025
 
Overnight

Overnight: Mostly clear, with a low around 69. South wind around 5 mph.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny and hot, with a high near 91. South wind 5 to 7 mph.
Hot

 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 85. West wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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 68. West wind around 6 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 40%.
Chance
T-storms
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 64.
Partly Cloudy

 Friday

Friday: Sunny, with a high near 87.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 66.
Mostly Clear
Lo 69 °F Hi 91 °F Lo 71 °F Hi 85 °F Lo 68 °F Hi 85 °F Lo 64 °F Hi 87 °F Lo 66 °F

 

Overnight
 
 Mostly clear, with a low around 69. South wind around 5 mph.
Tuesday
 
 Mostly sunny and hot, with a high near 91. South wind 5 to 7 mph.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Showers and possibly a thunderstorm. High near 85. West wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 68. West wind around 6 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 40%.
Thursday Night
 
 Partly cloudy, with a low around 64.
Friday
 
 Sunny, with a high near 87.
Friday Night
 
 Mostly clear, with a low around 66.
Saturday
 
 Sunny and hot, with a high near 91.
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 69.
Monday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Bethel Park PA.