National Weather Service Forecast for: Villanova PA
Issued by: National Weather Service Philadelphia, PA
Updated: 4:09 pm EDT Sep 12, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Patchy fog after 5am. Low around 67. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain
and Patchy
Fog
 Sunday

Sunday: Showers and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am. Some of the storms could produce heavy rainfall. Patchy fog before 9am. High near 82. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Heavy Rain
and Patchy
Fog then
Mostly Sunny
 Sunday
Night
Sunday Night: Increasing clouds, with a low around 66. Calm wind becoming west around 5 mph after midnight.
Increasing
Clouds

 Monday

Monday: Mostly sunny, with a high near 74. North wind 10 to 15 mph.
Mostly Sunny

 Monday
Night
Monday Night: Clear, with a low around 52. North wind 5 to 10 mph.
Clear

 Tuesday

Tuesday: Sunny, with a high near 75.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 56.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 80.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 61.
Mostly Clear
Lo 67 °F Hi 82 °F Lo 66 °F Hi 74 °F Lo 52 °F Hi 75 °F Lo 56 °F Hi 80 °F Lo 61 °F

Flood Watch
 

Tonight
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Patchy fog after 5am. Low around 67. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
 
 Showers and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am. Some of the storms could produce heavy rainfall. Patchy fog before 9am. High near 82. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
 
 Increasing clouds, with a low around 66. Calm wind becoming west around 5 mph after midnight.
Monday
 
 Mostly sunny, with a high near 74. North wind 10 to 15 mph.
Monday Night
 
 Clear, with a low around 52. North wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 75.
Tuesday Night
 
 Mostly clear, with a low around 56.
Wednesday
 
 Sunny, with a high near 80.
Wednesday Night
 
 Mostly clear, with a low around 61.
Thursday
 
 Sunny, with a high near 83.
Thursday Night
 
 Mostly clear, with a low around 64.
Friday
 
 Mostly sunny, with a high near 82.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
 
 Partly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Villanova PA.