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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

40°F

4°C

Humidity 47%
Wind Speed W 7 mph
Barometer 30.04 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 17 Nov 10:15 pm EST
Extended Forecast for

Bryn Mawr PA

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind around 10 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 45. West wind 5 to 10 mph.

    High: 45 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. North wind around 5 mph.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Calm wind becoming northeast around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Cloudy, with a low around 43. Chance of precipitation is 40%.

    Low: 43 °F

    Cloudy then
    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.

    High: 59 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West wind around 10 mph.
Tuesday
Increasing clouds, with a high near 45. West wind 5 to 10 mph.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 48. North wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Calm wind becoming northeast around 5 mph.
Thursday
Cloudy, with a high near 49.
Thursday Night
A chance of rain after 1am. Cloudy, with a low around 43. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bryn Mawr PA
 40.02°N 75.32°W (Elev. 397 ft)
Last Update:
4:09 pm EST Nov 17, 2025
Forecast Valid:
10pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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