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

Newark, Newark International Airport (KEWR)

Lat: 40.68°NLon: 74.17°WElev: 16ft.

Mostly Cloudy

65°F

18°C

Humidity 81%
Wind Speed S 5 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Jun 6:51 am EDT
Extended Forecast for

Iselin NJ

  • Today

    Today: A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 81. Light south wind becoming southeast 5 to 10 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: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, increasing clouds, with a low around 66. Southeast wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 90. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 84. West wind 10 to 15 mph.

    High: 84 °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: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 81. Light south wind becoming southeast 5 to 10 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.
Tonight
Patchy fog between 4am and 5am. Otherwise, increasing clouds, with a low around 66. Southeast wind 5 to 10 mph.
Thursday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 90. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 69. West wind 10 to 15 mph, with gusts as high as 25 mph.
Juneteenth
Mostly sunny, with a high near 84. West wind 10 to 15 mph.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 85.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Iselin NJ
 40.57°N 74.31°W (Elev. 85 ft)
Last Update:
4:07 am EDT Jun 17, 2026
Forecast Valid:
7am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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