National Weather Service Forecast for: Philadelphia PA
Issued by: National Weather Service Philadelphia, PA
Updated: 7:29 pm EDT Jul 27, 2025
 
Overnight

Overnight: Patchy fog.  Otherwise, partly cloudy, with a low around 74. West wind around 5 mph.
Patchy Fog

Monday

Monday: Patchy fog before 7am.  Otherwise, sunny, with a high near 95. West wind around 5 mph.
Patchy Fog
then Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 75. West wind around 5 mph becoming calm  after midnight.
Mostly Clear

Tuesday

Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.
Hot

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph.
Mostly Clear

Wednesday

Wednesday: Mostly sunny, with a high near 96.
Mostly Sunny

Wednesday
Night
Wednesday Night: A chance of showers.  Partly cloudy, with a low around 76. Chance of precipitation is 40%.
Chance
Showers

Thursday

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 87. Chance of precipitation is 70%.
Chance
Showers 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, then a chance of showers after 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Showers
Likely then
Chance
T-storms
Lo 74 °F Hi 95 °F Lo 75 °F Hi 97 °F Lo 77 °F Hi 96 °F Lo 76 °F Hi 87 °F Lo 68 °F

Heat Advisory
 

Overnight
 
Patchy fog. Otherwise, partly cloudy, with a low around 74. West wind around 5 mph.
Monday
 
Patchy fog before 7am. Otherwise, sunny, with a high near 95. West wind around 5 mph.
Monday Night
 
Mostly clear, with a low around 75. West wind around 5 mph becoming calm after midnight.
Tuesday
 
Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Wednesday
 
Mostly sunny, with a high near 96.
Wednesday Night
 
A chance of showers. Partly cloudy, with a low around 76. Chance of precipitation is 40%.
Thursday
 
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Thursday Night
 
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
 
A chance of showers before 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
 
Partly cloudy, with a low around 64.
Saturday
 
Mostly sunny, with a high near 80.
Saturday Night
 
Mostly clear, with a low around 62.
Sunday
 
Sunny, with a high near 83.

 

Forecast from NOAA-NWS for Philadelphia PA.