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

51°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 29.98 in (1015.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Apr 11:54 pm EDT
Extended Forecast for

3 Miles ESE Williamstown NJ

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 77. Light north wind becoming northwest 5 to 10 mph in the morning.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming northeast around 5 mph.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.

    High: 60 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 47. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 77. Light north wind becoming northwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 51. Calm wind.
Friday
Partly sunny, with a high near 68. Calm wind becoming northeast around 5 mph.
Friday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 66.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Tuesday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
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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:
4:09 pm EDT Apr 22, 2026
Forecast Valid:
12am EDT Apr 23, 2026-6pm EDT Apr 29, 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