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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Overcast

68°F

20°C

Humidity 73%
Wind Speed N 9 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Aug 6:54 am EDT
Extended Forecast for

Bryn Athyn PA

  • Today

    Today: Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. East wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. East wind around 10 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. East wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. East wind around 5 mph.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 63. East wind around 5 mph.
Tuesday
Partly sunny, with a high near 75. East wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 62. East wind around 5 mph.
Wednesday
Partly sunny, with a high near 80. East wind around 5 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bryn Athyn PA
 40.15°N 75.06°W (Elev. 269 ft)
Last Update:
4:11 am EDT Aug 18, 2025
Forecast Valid:
7am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
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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