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Transitioning to a New Format for the Area Forecast Discussion on January 6, 2026

Hazardous Weather Conditions

Dense Fog Advisory in effect from December 28, 09:32 PM EST until December 29, 10:00 AM EST
Wind Advisory in effect from December 29, 10:00 AM EST until December 30, 01:00 PM EST

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fog/Mist

37°F

3°C

Humidity	NA
Wind Speed	S 5 mph
Barometer	29.70 in
Dewpoint	N/A
Visibility	1.25 mi
Wind Chill	33°F (1°C)
Last update	29 Dec 12:55 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Bryn Mawr PA

Wind Advisory December 29, 10:00am until December 30, 01:00pm

Dense Fog Advisory until December 29, 10:00am

Click here for hazard details and duration

Wind Advisory

Dense Fog Advisory

Dense Fog Advisory until December 29, 10:00am
NOW until 10:00am Mon
Dense Fog Advisory
Overnight
Low: 33 °F
Chance Rain
and Fog
Monday
High: 53 °F⇓
Showers and
Fog
Monday Night
Low: 26 °F
Partly Cloudy
and Breezy
Tuesday
High: 33 °F
Partly Sunny
and Breezy
Tuesday Night
Low: 24 °F
Mostly Cloudy
Wednesday
High: 36 °F
Partly Sunny
Wednesday Night
Low: 23 °F
Mostly Cloudy
New Year's Day
High: 30 °F
Partly Sunny

Detailed Forecast

Overnight

A chance of rain. Widespread fog, mainly after 4am. Otherwise, cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Showers, mainly before 1pm. Widespread fog, mainly before 8am. Temperature rising to near 53 by 10am, then falling to around 38 during the remainder of the day. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Partly cloudy, with a low around 26. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.

Tuesday

Partly sunny, with a high near 33. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.

Tuesday Night

Mostly cloudy, with a low around 24. West wind around 10 mph, with gusts as high as 20 mph.

Wednesday

Partly sunny, with a high near 36.

Wednesday Night

Mostly cloudy, with a low around 23.

New Year's Day

Partly sunny, with a high near 30.