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

38°F

3°C

Humidity 83%
Wind Speed Calm
Barometer 30.63 in (1037.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 9 Apr 8:54 am EDT
Extended Forecast for

3 Miles ESE Williamstown NJ

  • Today

    Today: Areas of frost before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 57 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 35. Southeast wind around 5 mph becoming calm.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.

    High: 67 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. South wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65. North wind around 5 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of frost before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Patchy fog after 5am. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 35. Southeast wind around 5 mph becoming calm.
Friday
Patchy fog before 8am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 49. South wind around 5 mph.
Saturday
Sunny, with a high near 65. North wind around 5 mph.
Saturday Night
Clear, with a low around 40.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 87.
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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:
9:09 am EDT Apr 9, 2026
Forecast Valid:
9am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation