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.

Light Rain Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed NE 6 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Wind Chill36°F (2°C)
Last update 5 Mar 10:54 pm EST
Extended Forecast for

3 Miles ESE Williamstown NJ

  • Tonight

    Tonight: Rain, mainly before 4am. Areas of fog. Low around 38. Northeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain and
    Areas Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 47. Northeast wind around 5 mph.

    High: 47 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A chance of rain, mainly after 1am. Patchy fog after midnight. Otherwise, cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming south around 5 mph in the afternoon.

    High: 63 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 4am. Areas of fog. Low around 38. Northeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 47. Northeast wind around 5 mph.
Friday Night
A chance of rain, mainly after 1am. Patchy fog after midnight. Otherwise, cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Showers likely. Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Williamstown NJ
 39.66°N 74.92°W (Elev. 98 ft)
Last Update:
4:09 pm EST Mar 5, 2026
Forecast Valid:
11pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
 
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Additional Resources

Radar & Satellite Image

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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