Multiple rounds of storms through Thursday

A briefing on the multiple rounds of storms through Thursday, September 3. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Thunderstorm

77°F

25°C

Humidity 90%
Wind Speed E 8 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 1 Sep 9:54 pm EDT
Extended Forecast for

Wallingford PA

Severe T-storm Watch September 1, 10:25pm until September 2, 12:00am
Flash Flood Warning until September 2, 12:45am
Click here for hazard details and duration
Severe T-storm Watch
Flash Flood Warning
  •  
    Severe T-storm Watch September 1, 10:25pm until September 2, 12:00am
    Flash Flood Warning until September 2, 12:45am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 71 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 5pm.  Mostly cloudy, with a high near 81. East wind around 5 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 73. West wind around 5 mph.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 11pm. Some of the storms could be severe. Increasing clouds, with a low around 71. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 81. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. West wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 61.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Wallingford PA
 39.89°N 75.37°W (Elev. 197 ft)
4:54 pm EDT Sep 1, 2026
10pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
 
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