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.

Overcast with Haze

48°F

9°C

Humidity 83%
Wind Speed E 10 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 5 Mar 3:54 pm EST
Extended Forecast for

Merion Station PA

  • Tonight

    Tonight: Rain, mainly between 9pm and 3am. Patchy fog after 7pm. Low around 37. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 45. Northeast wind around 5 mph.

    High: 45 °F

    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: A chance of rain. Patchy fog after midnight. Otherwise, cloudy, with a low around 39. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming south around 5 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Showers. Low around 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: A slight chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly between 9pm and 3am. Patchy fog after 7pm. Low around 37. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 45. Northeast wind around 5 mph.
Friday Night
A chance of rain. Patchy fog after midnight. Otherwise, cloudy, with a low around 39. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Showers. Low around 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Merion Station PA
 39.99°N 75.27°W (Elev. 226 ft)
Last Update:
4:09 pm EST Mar 5, 2026
Forecast Valid:
4pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation