National Weather Service Forecast for: Gladwyne PA
Issued by: National Weather Service Philadelphia, PA
Updated: 4:07 am EDT Jun 22, 2026
 
Today

Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall. High near 82. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
Showers then
Severe
T-Storms
 Tonight

Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe and produce heavy rainfall. Low around 67. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Severe
T-Storms
then Heavy
Rain
 Tuesday

Tuesday: A chance of showers, mainly between noon and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Showers

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 61. Northwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 83. Northwest wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 63.
Mostly Clear

 Thursday

Thursday: A chance of showers after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Mostly Sunny
then Chance
Showers
 Thursday
Night
Thursday Night: A chance of showers 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 66. Chance of precipitation is 50%.
Chance
T-storms

 Friday

Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
Hi 82 °F Lo 67 °F Hi 78 °F Lo 61 °F Hi 83 °F Lo 63 °F Hi 87 °F Lo 66 °F Hi 85 °F

Flood Watch
 

Today
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall. High near 82. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
 
 Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe and produce heavy rainfall. Low around 67. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
 
 A chance of showers, mainly between noon and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Mostly clear, with a low around 61. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
 
 Sunny, with a high near 83. Northwest wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 63.
Thursday
 
 A chance of showers after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Thursday Night
 
 A chance of showers 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 66. Chance of precipitation is 50%.
Friday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Friday Night
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
 
 Mostly sunny, with a high near 83.
Saturday Night
 
 Partly cloudy, with a low around 66.
Sunday
 
 Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Gladwyne PA.