National Weather Service forecast

Williamstown, New Jersey Weather

50°Overnight: Mostly Clear
Wind 0 mph

Williamstown 7-Day Forecast

  1. Overnight
    50°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 50. South wind around 0 mph.

  2. Wednesday
    74°F
    Sunny
    2% chance of precipitation

    Sunny. High near 74, with temperatures falling to around 68 in the afternoon. South wind 0 to 5 mph.

  3. Wednesday Night
    59°F
    Mostly Cloudy
    1% chance of precipitation

    Mostly cloudy, with a low around 59. South wind around 5 mph.

  4. Thursday
    74°F
    Chance Light Rain
    30% chance of precipitation

    A chance of rain after 7am. Mostly cloudy, with a high near 74. South wind 5 to 10 mph. Chance of precipitation is 30%.

  5. Thursday Night
    62°F
    Light Rain
    90% chance of precipitation

    A chance of rain between 7pm and 1am, then rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 62. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

  6. Friday
    70°F
    Light Rain
    91% chance of precipitation

    Rain and a slight chance of thunderstorms. Cloudy, with a high near 70. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

  7. Friday Night
    50°F
    Light Rain
    91% chance of precipitation

    Rain and a slight chance of thunderstorms before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 90%.

  8. Saturday
    64°F
    Mostly Sunny
    10% chance of precipitation

    Mostly sunny, with a high near 64.

  9. Saturday Night
    41°F
    Partly Cloudy
    7% chance of precipitation

    Partly cloudy, with a low around 41.

  10. Sunday
    59°F
    Mostly Sunny
    5% chance of precipitation

    Mostly sunny, with a high near 59.

  11. Sunday Night
    38°F
    Mostly Clear
    8% chance of precipitation

    Mostly clear, with a low around 38.

  12. Monday
    58°F
    Sunny
    8% chance of precipitation

    Sunny, with a high near 58.

  13. Monday Night
    36°F
    Mostly Clear
    5% chance of precipitation

    Mostly clear, with a low around 36.

  14. Tuesday
    62°F
    Sunny
    4% chance of precipitation

    Sunny, with a high near 62.

Issued by the National Weather Service (PHI office), updated .

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About Williamstown

Population (2020 Census)
15,082
Coordinates
39.684, -74.970
Elevation
148 ft
NWS forecast office
PHI
Time zone
America/New York
Sunrise today
6:31 AM EST
Sunset today
4:55 PM EST
Daylight today
10 h 24 min

Williamstown Weather Questions

What is the weather forecast for Williamstown, New Jersey?

Overnight: Mostly clear, with a low around 50. South wind around 0 mph. Wednesday: Sunny. High near 74, with temperatures falling to around 68 in the afternoon. South wind 0 to 5 mph.

Will it rain or snow in Williamstown this week?

The best chance of precipitation is Friday at 91%. Periods with a 30% chance or more: Thursday (30%), Thursday Night (90%), Friday (91%), Friday Night (91%).

How warm and how cold will it get in Williamstown this week?

The warmest day is Wednesday, with a high near 74°F. The coldest night is Monday Night, with a low near 36°F.

What time are sunrise and sunset in Williamstown today?

Sunrise is at 6:31 AM EST and sunset is at 4:55 PM EST, for 10 h 24 min of daylight.

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