National Weather Service Forecast for: Merion Station PA
Issued by: National Weather Service Philadelphia, PA
Updated: 4:13 am EST Feb 2, 2026
 
Today

Today: Sunny, with a high near 29. Wind chill values as low as -3. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 14. West wind around 5 mph.
Mostly Clear
Tuesday

Tuesday: Increasing clouds, with a high near 33. Southwest wind around 5 mph.
Increasing
Clouds
Tuesday
Night
Tuesday Night: A chance of snow, mainly after 10pm.  Cloudy, with a low around 23. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Chance Snow
Wednesday

Wednesday: Mostly sunny, with a high near 31. Northwest wind 5 to 10 mph.
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 10.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 28.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 11.
Partly Cloudy
Friday

Friday: A chance of snow.  Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Chance Snow
Hi 29 °F Lo 14 °F Hi 33 °F Lo 23 °F Hi 31 °F Lo 10 °F Hi 28 °F Lo 11 °F Hi 31 °F

Cold Weather Advisory
 

Today
 
Sunny, with a high near 29. Wind chill values as low as -3. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
Mostly clear, with a low around 14. West wind around 5 mph.
Tuesday
 
Increasing clouds, with a high near 33. Southwest wind around 5 mph.
Tuesday Night
 
A chance of snow, mainly after 10pm. Cloudy, with a low around 23. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
 
Mostly sunny, with a high near 31. Northwest wind 5 to 10 mph.
Wednesday Night
 
Partly cloudy, with a low around 10.
Thursday
 
Sunny, with a high near 28.
Thursday Night
 
Partly cloudy, with a low around 11.
Friday
 
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Friday Night
 
Mostly cloudy, with a low around 9.
Saturday
 
Mostly sunny, with a high near 18.
Saturday Night
 
Mostly clear, with a low around 4.
Sunday
 
Mostly sunny, with a high near 19.

 

Forecast from NOAA-NWS for Merion Station PA.