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

Mount Holly, South Jersey Regional Airport (KVAY)

Lat: 39.94°NLon: 74.84°WElev: 49ft.

Overcast

45°F

7°C

Humidity 90%
Wind Speed Calm
Barometer 30.27 in (1024.8 mb)
Dewpoint 42°F (6°C)
Visibility 8.00 mi
Last update 4 Mar 8:54 pm EST
Extended Forecast for

3 Miles ESE Williamstown NJ

  • Tonight

    Tonight: A slight chance of rain before 10pm, then a chance of rain after 11pm. Patchy fog. Otherwise, cloudy, with a low around 41. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain, mainly before noon. Patchy fog before 11am. High near 54. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 39. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: A slight chance of showers before 1pm. Cloudy, with a high near 50. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am. Cloudy, with a low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain before 10pm, then a chance of rain after 11pm. Patchy fog. Otherwise, cloudy, with a low around 41. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before noon. Patchy fog before 11am. High near 54. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 39. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A slight chance of showers before 1pm. Cloudy, with a high near 50. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly after 1am. Cloudy, with a low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 68.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Williamstown NJ
 39.66°N 74.92°W (Elev. 98 ft)
Last Update:
4:10 pm EST Mar 4, 2026
Forecast Valid:
9pm EST Mar 4, 2026-6pm EDT Mar 11, 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