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

Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Partly Cloudy

81°F

27°C

Humidity 50%
Wind Speed S 16 G 23 mph
Barometer 29.85 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 4 Sep 12:55 pm EDT
Extended Forecast for

Glenside PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. South wind around 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 63. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 86. Southwest wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Sunny then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. South wind around 15 mph.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 63. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 86. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 68. South wind around 5 mph.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glenside PA
 40.11°N 75.15°W (Elev. 299 ft)
Last Update:
8:22 am EDT Sep 4, 2025
Forecast Valid:
1pm EDT Sep 4, 2025-6pm EDT Sep 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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