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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

Mount Holly, South Jersey Regional Airport (KVAY)

Lat: 39.94°NLon: 74.84°WElev: 49ft.

Overcast

89°F

32°C

Humidity 57%
Wind Speed Vrbl 3 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Aug 5:54 pm EDT
Extended Forecast for

Somerdale NJ

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 68. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 2pm and 5pm. Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers between 7pm and 2am. Mostly cloudy, with a low around 65. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. East wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 68. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 2pm and 5pm. Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers between 7pm and 2am. Mostly cloudy, with a low around 65. East wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 78. East wind 5 to 10 mph.
Tuesday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerdale NJ
 39.85°N 75°W (Elev. 98 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