New York, NY 33° Los Angeles, CA 38° Chicago, IL 25° 🌤️ Houston, TX Miami, FL 34° 🌤️ Phoenix, AZ 🌤️ Seattle, WA 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 22°
WeatherLiveNew JerseyMercerville

Mercerville, NJ Weather (08619)

Current WeatherMercerville · 4:56 PM EDT
32° | 21°
32°C
Feels like 33°
Sunny
WindW 9 mph · Gusts 10 mph
Precip6% · –
Humidity44% · Dew point 18°
UV index8 Very high
Pressure29.85 inHg
Visibility6 mi
Sunrise / Sunset6:13 AM · 7:50 PM · 13h 37m

Weather map — Mercerville

Full radar →
Now
32°
1%
9 mph
17:00
31°
1%
9 mph
18:00
30°
1%
8 mph
19:00
27°
3%
5 mph
20:00
25°
3%
4 mph
21:00
24°
3%
4 mph
22:00
23°
15%
4 mph
23:00
23°
6%
4 mph
00:00
24°
4%
4 mph
01:00
23°
5%
3 mph
02:00
23°
5%
3 mph
03:00
22°
6%
4 mph
04:00
22°
7%
3 mph
05:00
22°
8%
4 mph
06:00
21°
9%
3 mph
07:00
23°
15%
1 mph
08:00
23°
15%
1 mph
09:00
24°
15%
1 mph
10:00
24°
19%
2 mph
11:00
23°
0.03 in
5 mph
12:00
22°
52%
5 mph
13:00
23°
58%
6 mph
14:00
22°
46%
9 mph
15:00
24°
21%
11 mph

Today · Wed 8/19

High 32°
6% / –

Sunny. Winds W at 9 mph.

Tonight · Wed 8/19

Low 21°
3% / –

Sunny. Winds SW at 4 mph.

Tomorrow · Thu 8/20

24° | 18°
64% / 0.09 in

Sunny. Winds N at 12 mph.

7-day trend

Mercerville · temperature + precipitation

10-day forecast

Updated 4:56 PM

Details & indices

Wind
9 mph W
Gusts 10 mph
Humidity
44%
Dew point 18°
Pressure
29.85 inHg
Falling
UV index
8 — Very high
High today
Air Quality
Unhealthy for Sensitive Groups
AQI 104 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Mercerville

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Low

Sun & moon

Sunrise6:13 AM
Sunset7:50 PM
Length of day13h 37m
Moonrise1:48 PM
Moonset11:07 PM
Next full moonAug 28 Sturgeon Moon
Latitude40.2371°N
Longitude-74.6865°E

Water temps nearby

View all →
Asbury Park (36 mi)75°
Seaside Heights (39 mi)76°
Coney Island Beach (44 mi)78°
Rockaway Beach (52 mi)76°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Newark
🌤️
Jersey City
🌤️
Paterson
Data sources · Wednesday, August 19
Where the Mercerville forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.2371°N, -74.6865°.
NBM + global weather models
Updated: 4:56 PM
Weather in Mercerville
Mercerville's outlook: warmest day near 32° (Wednesday), coldest night about 15° (Friday). Models drop roughly 3.0 in of precipitation across the stretch — watch Friday (94%). Hold onto the patio furniture Friday: gusts could hit 25 mph. The NWS alert board for this area is currently clear. Right now Mercerville is running about 68° warmer than Washington. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Mercerville, NJ · Elev 89 ft · 40.24°N, 74.69°W · New Jersey · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 4:56 PM