National Weather Service Forecast for: Tullytown PA
Issued by: National Weather Service Philadelphia, PA
Updated: 9:03 pm EDT Aug 19, 2026
 
Today

Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 82. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Slight Chance
T-storms then
Heavy Rain
 Tonight

Tonight: Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Low around 66. Northeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Heavy Rain
then Chance
Showers
 Friday

Friday: A chance of showers after 2pm. Partly sunny, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 30%.
Partly Sunny
then Chance
Showers
 Friday
Night
Friday Night: A chance of showers. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Saturday

Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Sunday

Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Partly Sunny
then Chance
T-storms
 Sunday
Night
Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Chance
T-storms then
Mostly Clear
 Monday

Monday: Sunny, with a high near 83.
Sunny
Hi 82 °F Lo 66 °F Hi 81 °F Lo 67 °F Hi 81 °F Lo 68 °F Hi 85 °F Lo 66 °F Hi 83 °F

Flood Watch
 

Today
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 82. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
 
 Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Low around 66. Northeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A chance of showers after 2pm. Partly sunny, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Sunday Night
 
 A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
 
 Sunny, with a high near 83.
Monday Night
 
 Mostly clear, with a low around 63.
Tuesday
 
 Sunny, with a high near 82.
Tuesday Night
 
 Partly cloudy, with a low around 65.
Wednesday
 
 A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Tullytown PA.