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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

65°F

18°C

Humidity 81%
Wind Speed Calm
Barometer 29.81 in (1009.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Jun 2:54 am EDT
Extended Forecast for

Sewell NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Southeast wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 68. South wind around 10 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 92. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Southeast wind around 5 mph.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Increasing clouds, with a low around 68. South wind around 10 mph.
Thursday
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 92. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. 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 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Mostly sunny, with a high near 83.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 85.
Sunday Night
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sewell NJ
 39.75°N 75.11°W (Elev. 98 ft)
Last Update:
3:18 am EDT Jun 17, 2026
Forecast Valid:
3am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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