Mountainside, NJ weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Mountainside now

Loading the National Weather Service forecast…

Mountainside weather by the hour

Mountainside weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Mountainside.

This week in Mountainside

Sunrise, sunset and moon in Mountainside

What is the weather usually like in Mountainside?

Cfa
Humid subtropical climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

20°38°55°73°90°40°25°Jan42°26°Feb50°33°Mar62°42°Apr71°52°May80°62°Jun85°67°Jul84°65°Aug77°59°Sep65°46°Oct55°37°Nov44°30°Dec

Average precipitation (inches)

3.7"Jan3.3"Feb4.4"Mar4.1"Apr4.2"May4.5"Jun5.3"Jul4.1"Aug4.3"Sep4.4"Oct3.6"Nov4.5"Dec

Best time to visit Mountainside: May–June and August–September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CRANFORD, NJ US (USC00282023), adjusted for the elevation of Mountainside.

Mountainside weather month by month

January
40° 25°F
3.7 in of rain · 7 wet days❄ 7.0 in of snow
February
42° 26°F
3.3 in of rain · 6 wet days❄ 8.2 in of snow
March
50° 33°F
4.4 in of rain · 7 wet days❄ 5.0 in of snow
April
62° 42°F
4.1 in of rain · 7 wet days❄ 0.3 in of snow
May
71° 52°F
4.2 in of rain · 8 wet days
June
80° 62°F
4.5 in of rain · 7 wet days
July
85° 67°F
5.3 in of rain · 7 wet days
August
84° 65°F
4.1 in of rain · 7 wet days
September
77° 59°F
4.3 in of rain · 6 wet days
October
65° 46°F
4.4 in of rain · 6 wet days
November
55° 37°F
3.6 in of rain · 6 wet days❄ 0.1 in of snow
December
44° 30°F
4.5 in of rain · 7 wet days❄ 5.7 in of snow

Sunrise and sunset in Mountainside through the year

MonthSunriseSunsetDaylight
January7:17 AM4:56 PM9 h 38 min
February6:49 AM5:33 PM10 h 44 min
March7:07 AM7:05 PM11 h 58 min
April6:16 AM7:38 PM13 h 21 min
May5:38 AM8:09 PM14 h 30 min
June5:24 AM8:31 PM15 h 7 min
July5:37 AM8:29 PM14 h 51 min
August6:06 AM7:57 PM13 h 50 min
September6:37 AM7:08 PM12 h 31 min
October7:07 AM6:18 PM11 h 11 min
November6:42 AM4:41 PM9 h 58 min
December7:12 AM4:32 PM9 h 19 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in Mountainside?

Mountainside has a humid subtropical climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 25°F (-4°C).

It gets about 50.4 inches (1,280 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 26 inches fall in an average year.

The best time to visit Mountainside is May–June and August–September. At 233 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Mountainside

Weather in towns near Mountainside

Questions about the weather in Mountainside

What is the hottest month in Mountainside?

July, with an average high of 85°F (30°C).

What is the coldest month in Mountainside?

January, with an average low of 25°F (-4°C).

How much does it rain in Mountainside?

About 50.4 inches (1,280 mm) a year; the wettest month is July.

Does it snow in Mountainside?

Yes, about 26 inches of snow fall in an average year.

When is the best time to visit Mountainside?

May–June and August–September, when temperatures are most pleasant and rainy days are fewer.

What climate does Mountainside have?

Humid subtropical (Köppen Cfa).

What is the weather like in Mountainside in November?

Highs average 55°F and lows 37°F, with about 3.6 inches of precipitation.

What time is sunrise in Mountainside?

Around 6:42 AM in mid-November, and sunset around 4:41 PM. Today’s exact times are shown above.

Where does this Mountainside weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Mountainside.

All about Mountainside ›

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