Local weather forecast

Weather in Williamstown, NJ

Updated 2026-09-26 10:00 local time · ZIP codes 08094

Patchy rain nearby
Now60°F

Patchy rain nearby

High / Low63° / 56°
Rain chance86%
Wind16 mph
Weather alerts

Active alerts

2
Coastal Flood Advisory issued September 25 at 2:34PM EDT until September 27 at 5:00AM EDT by NWS Mount Holly NJ

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...In New Jersey, Gloucester, Camden and Northwestern Burlington. In Pennsylvania, Delaware, Philadelphia and Lower Bucks. * WHEN...Until 5 AM EDT Sunday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Localized moderate tidal flooding impacts cannot be ruled out.

Safety instructions

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.

Coastal Flood Advisory issued September 26 at 4:20AM EDT until September 27 at 5:00AM EDT by NWS Mount Holly NJ

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...In New Jersey, Gloucester, Camden and Northwestern Burlington. In Pennsylvania, Delaware, Philadelphia and Lower Bucks. * WHEN...Until 5 AM EDT Sunday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Localized moderate tidal flooding impacts cannot be ruled out.

Safety instructions

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.

Hourly

Next hours

NowPatchy rain nearby60°21% rain
11 AMPatchy rain nearby60°25% rain
12 PMModerate rain57°83% rain
1 PMLight drizzle56°62% rain
2 PMLight drizzle57°65% rain
3 PMPatchy rain nearby57°27% rain
4 PMPatchy rain nearby57°26% rain
5 PMPatchy rain nearby58°26% rain
6 PMLight drizzle57°62% rain
7 PMLight rain shower56°43% rain
8 PMPatchy rain nearby57°35% rain
9 PMPatchy rain nearby57°24% rain
Forecast

3-day weather forecast

Today2026-09-26
Patchy rain nearby
63° 56°Patchy rain nearby
Rain 86%Gust 18 mph
Tomorrow2026-09-27
Overcast
59° 56°Overcast
Rain 92%Gust 14 mph
Monday2026-09-28
Patchy rain nearby
63° 58°Patchy rain nearby
Rain 48%Gust 9 mph
Conditions

Weather details

Feels like51°F
Humidity73%
Pressure29.81 inHg
Visibility6 mi
Wind16 mph N
Wind gusts39 mph
Precipitation0.00 in
UV index0
Daylight

Sunrise, sunset and moon

Sunrise06:51 AM
Sunset06:51 PM
Moonrise06:40 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour11 AM · 60°F
Coolest hour7 AM · 56°F
Highest rain chance7 AM · 85%
Strongest gusts10 AM · 39 mph
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 83% over the next 12 hours.

Light layers should work

It feels like 51°F with winds near 16 mph.

Best window: 10 AM

60°F, 21% rain chance and 16 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 39 mph.

Running conditions are less comfortable

Current temperature is 60°F, wind 16 mph, rain chance up to 83%.

Low UV protection needs

UV index is 0.

Local weather characteristics in Williamstown

New Jersey has humid summers, cool to cold winters and both inland and coastal weather influences. Coastal storms and nor'easters can bring strong wind and heavy precipitation.

Williamstown is part of the Northeast weather region. The forecast point is near 39.69°N latitude and 75.00°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Williamstown weather today

Patchy rain nearby and 60°F in Williamstown, NJ. Today's high is 63°F with a 86% rain chance. Winds are around 16 mph with gusts near 39 mph. Relative humidity is 73%, pressure is 29.81 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Williamstown

Sunrise is at 06:51 AM and sunset is at 06:51 PM. Tomorrow's forecast calls for Overcast with a high near 59°F and a low near 56°F. The maximum rain chance is 92%.

Nearby

Weather near Williamstown

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