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

Cape May County Airport (KWWD)

Lat: 39.02°NLon: 74.92°WElev: 23ft.

Fair

85°F

29°C

Humidity 65%
Wind Speed S 16 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 17 Aug 4:56 pm EDT
Extended Forecast for

Erma NJ

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 70. South wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers after 3pm. Increasing clouds, with a high near 79. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 67. East wind around 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 possible.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 79. East wind around 15 mph.

    High: 79 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 67. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 70. South wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 30%.
Monday
A slight chance of showers after 3pm. Increasing clouds, with a high near 79. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 67. East wind around 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 possible.
Tuesday
Partly sunny, with a high near 79. East wind around 15 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 67. East wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Erma NJ
 39.01°N 74.88°W (Elev. 20 ft)
Last Update:
4:11 pm EDT Aug 17, 2025
Forecast Valid:
5pm EDT Aug 17, 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