National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

63°F

17°C

Humidity 81%
Wind Speed W 3 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Apr 7:54 am EDT
Extended Forecast for

Merion Station PA

  • Today

    Today: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 40%.

    High: 80 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 1am, then a slight chance of showers after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53. East wind 5 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 5pm. High near 69. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. Northwest wind 10 to 15 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 41. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 40%.
Tonight
A chance of showers before 1am, then a slight chance of showers after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53. East wind 5 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 5pm. High near 69. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 57. Northwest wind 10 to 15 mph.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 41. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Clear, with a low around 30.
Wednesday
Sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merion Station PA
 39.99°N 75.24°W (Elev. 200 ft)
Last Update:
4:10 am EDT Apr 4, 2026
Forecast Valid:
8am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation