National Weather Service Forecast for: Merion Station PA
Issued by: National Weather Service Philadelphia, PA
Updated: 2:42 pm EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Mostly cloudy, with a high near 49. Southwest wind around 10 mph.
Mostly Cloudy

 Tonight

Tonight: Partly cloudy, with a low around 36. South wind around 5 mph.
Partly Cloudy

 Friday

Friday: Increasing clouds, with a high near 62. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Increasing
Clouds
 Friday
Night
Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 46. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely
 Saturday

Saturday: Sunny, with a high near 64. Northwest wind around 5 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 45.
Mostly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 69.
Partly Sunny

 Sunday
Night
Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Chance Rain
then Rain
Likely
 Monday

Monday: Rain likely before 8am. Mostly sunny, with a high near 59. Chance of precipitation is 60%.
Rain Likely
then Mostly
Sunny
Hi 49 °F Lo 36 °F Hi 62 °F Lo 46 °F Hi 64 °F Lo 45 °F Hi 69 °F Lo 48 °F Hi 59 °F

 

This Afternoon
 
 Mostly cloudy, with a high near 49. Southwest wind around 10 mph.
Tonight
 
 Partly cloudy, with a low around 36. South wind around 5 mph.
Friday
 
 Increasing clouds, with a high near 62. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
 
 Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 46. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Sunny, with a high near 64. Northwest wind around 5 mph.
Saturday Night
 
 Mostly cloudy, with a low around 45.
Sunday
 
 Partly sunny, with a high near 69.
Sunday Night
 
 Rain likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Monday
 
 Rain likely before 8am. Mostly sunny, with a high near 59. Chance of precipitation is 60%.
Monday Night
 
 Mostly clear, with a low around 30.
Tuesday
 
 Sunny, with a high near 47.
Tuesday Night
 
 Mostly cloudy, with a low around 34.
Wednesday
 
 Mostly cloudy, with a high near 51.

 

Forecast from NOAA-NWS for Merion Station PA.