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Hazardous Weather Conditions

Current conditions at

Mount Holly, South Jersey Regional Airport (KVAY)

Lat: 39.94°NLon: 74.84°WElev: 49ft.

Fair

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 34°F (1°C)
Visibility 8.00 mi
Last update 20 Apr 1:54 am EDT
Extended Forecast for

3 Miles ESE Williamstown NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: Clear early, then becoming mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between noon and 2pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 55. West wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 55. Calm wind becoming northwest around 5 mph.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 41. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear early, then becoming mostly cloudy, with a low around 37. Calm wind.
Monday
A slight chance of showers between noon and 2pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 55. West wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 31. North wind around 5 mph.
Tuesday
Sunny, with a high near 55. Calm wind becoming northwest around 5 mph.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 41. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 73.
Friday Night
A chance of showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
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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:
4:11 pm EDT Apr 19, 2026
Forecast Valid:
2am EDT Apr 20, 2026-6pm EDT Apr 26, 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