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

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Light Snow Fog/Mist

34°F

1°C

Humidity 89%
Wind Speed SW 10 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 31°F (-1°C)
Visibility 6.00 mi
Wind Chill26°F (-3°C)
Last update 17 Jan 1:54 pm EST
Extended Forecast for

3 Miles SW Newtown Square PA

Winter Weather Advisory January 18, 06:00am until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of rain and snow before 3pm. Partly sunny, with a high near 37. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than one inch possible.

    High: 37 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A slight chance of snow after 4am. Increasing clouds, with a low around 28. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow. Cloudy, with a high near 34. Northwest wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind around 5 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain and snow before 3pm. Partly sunny, with a high near 37. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than one inch possible.
Tonight
A slight chance of snow after 4am. Increasing clouds, with a low around 28. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A chance of snow. Cloudy, with a high near 34. Northwest wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind around 5 mph.
M.L.King Day
Sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Newtown Square PA
 39.95°N 75.48°W (Elev. 397 ft)
Last Update:
9:30 am EST Jan 17, 2026
Forecast Valid:
2pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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