New York, NY 21° 🌤️ Los Angeles, CA Chicago, IL 21° 🌤️ Houston, TX Miami, FL 28° 🌤️ Phoenix, AZ Seattle, WA 17° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 18°
WeatherLive › New Jersey › Mountainside

Mountainside, NJ Weather (07092)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherMountainside · 3:18 AM EDT
31° | 19°
20°C
Feels like 21°
Sunny
WindNW 3 mph · Gusts 4 mph
Precip4% · –
Humidity74% · Dew point 16°
UV index8 Very high
Air Quality50 Good
Pressure29.88 inHg
Visibility6 mi
Sunrise / Sunset6:11 AM · 7:50 PM · 13h 39m

Weather map — Mountainside

Full radar →
Now
20°
7%
3 mph
04:00
20°
5%
3 mph
05:00
20°
5%
4 mph
06:00
19°
6%
4 mph
07:00
20°
6%
4 mph
08:00
22°
13%
3 mph
09:00
24°
5%
3 mph
10:00
26°
2%
5 mph
11:00
31°
2%
5 mph
12:00
31°
2%
7 mph
13:00
29°
1%
8 mph
14:00
30°
1%
8 mph
15:00
30°
1%
8 mph
16:00
30°
1%
8 mph
17:00
29°
1%
8 mph
18:00
28°
2%
7 mph
19:00
27°
13%
5 mph
20:00
25°
15%
4 mph
21:00
24°
16%
4 mph
22:00
24°
11%
3 mph
23:00
23°
13%
4 mph
00:00
23°
14%
4 mph
01:00
22°
13%
4 mph
02:00
22°
11%
4 mph

Today · Wed 8/19

High 31°
4% / –

Sunny. Winds W at 8 mph.

Overnight · Wed 8/19

Low 19°
— / –

Sunny.

Tomorrow · Thu 8/20

23° | 18°
70% / 0.11 in

Showers. Winds NW at 9 mph.

7-day trend

Mountainside · temperature + precipitation

10-day forecast

Updated 3:18 AM

Details & indices

Wind
3 mph NW
Gusts 4 mph
Humidity
74%
Dew point 16°
Pressure
29.88 inHg
Falling
UV index
8 — Very high
High today
Air Quality
Good
AQI 50 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Mountainside

🌿 Conditions right now

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

Sun & moon

Sunrise6:11 AM
Sunset7:50 PM
Length of day13h 39m
Moonrise1:48 PM
Moonset11:04 PM
Moon phase🌓 First Quarter · 42%
Next full moonAug 28 Sturgeon Moon
Latitude40.6723°N
Longitude-74.3574°E

Water temps nearby

View all →
Coney Island Beach (21 mi)78°
Rockaway Beach (29 mi)74°
Asbury Park (37 mi)73°
Jones Beach (45 mi)75°
Seaside Heights (52 mi)74°
🌤️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 Mountainside 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: 40.6723°N, -74.3574°.
NBM + global weather models
Updated: 3:18 AM
Weather in Mountainside
Over the next 10 days Mountainside tops out around 31° (Wednesday) and dips to 14° on the coolest night (Friday). Roughly 0.59 in of rain falls over the period, with Sunday the most likely wet day (74%). No active NWS alerts at the moment — quiet on the hazards front. Right now Mountainside is running about 49° warmer than Worcester. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Mountainside, NJ · Elev 151 ft · 40.67°N, 74.36°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: 3:18 AM