Weather forecast for 10 days
Mountainside, NJ

Weather forecast for the weekend

Saturday, May 10.

Mostly Sunny
5:43 am

8:04 pm
EDT
Mostly Sunny
73°F / 52°F
  • Wind: 10mph NW
  • Humidity: 45%
  • Precip. probability: 14%
  • Precipitation: 0"
  • UV index: 8
On Saturday, in Mountainside, sunshine will take center stage, with just faint traces of clouds.
The temperature variation is expected to range from a maximum of a temperate 73.4°F to a minimum of a cool 51.8°F.
On Saturday, the forecasted peak temperature is set to be a couple of degrees higher than the typical May temperature of 69.3°F.
Sunrise will be at 5:43 am and sunset at 8:04 pm; the daylight will last for 14h and 21min.

Sunday, May 11.

Sunny
5:42 am

8:05 pm
EDT
Sunny
81°F / 52°F
  • Wind: 7mph NW
  • Humidity: 42%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 8
On Sunday, May 11, skies will stay clear and sunny.
A wide temperature range is anticipated, from a high of a warm 80.6°F to a low of a fresh 51.8°F.
The forecast high is higher and more aligned with what is typical in June than in May.
Sunrise will be at 5:42 am and sunset at 8:05 pm; the daylight will last for 14h and 23min.

Frequently asked questions

What is the weather forecast for Mountainside for Saturday?
On Saturday, in Mountainside, clear skies with only minor cloud interruptions are in the outlook.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 73.4°F, while the minimum temperature will be 51.8°F.
What is the weather forecast for Mountainside for Sunday?
On Sunday, in Mountainside, expect bright skies and plenty of sunshine.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 80.6°F, while the minimum temperature will be 51.8°F.
What is the weather forecast for Mountainside for the next ten days?
In Mountainside, a combination of cloudy, damp and sunny weather is predicted for the next ten days.
Will it rain in the next ten days?
Rain is expected on Thursday, Friday, next Tuesday and Wednesday in Mountainside. With moderate precipitation of 0.55", Thursday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 60.8°F and 80.6°F, as the minimum temperature will be between 48.2°F and 62.6°F.
What will be the warmest and the coldest days?
The warmest days will be Sunday and next Thursday, with a maximum of 80.6°F. Friday will be the coldest day, with a maximum temperature of 60.8°F.

Long-term weather forecast

TueMay 6.
  • min.
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph WSW
  • Humidity: 83%
  • UV index: 0
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:47 am 8:00 pm EDT
WedMay 7.
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 58%
  • UV index: 8
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:46 am 8:01 pm EDT
ThuMay 8.
  • 75°F
  • 54°F
PM Showers
PM Showers
  • Wind: 5mph ENE
  • Humidity: 61%
  • UV index: 6
  • Precip. probability: 37%
  • Precipitation: 0.55"
  • 5:45 am 8:02 pm EDT
FriMay 9.
  • 61°F
  • 48°F
Rain
Rain
  • Wind: 9mph NNE
  • Humidity: 80%
  • UV index: 3
  • Precip. probability: 74%
  • Precipitation: 0.47"
  • 5:44 am 8:03 pm EDT
SatMay 10.
  • 73°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph NW
  • Humidity: 45%
  • UV index: 8
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:43 am 8:04 pm EDT
SunMay 11.
  • 81°F
  • 52°F
Sunny
Sunny
  • Wind: 7mph NW
  • Humidity: 42%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:42 am 8:05 pm EDT
MonMay 12.
  • 75°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SE
  • Humidity: 48%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:41 am 8:06 pm EDT
TueMay 13.
  • 75°F
  • 61°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph SE
  • Humidity: 64%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0.24"
  • 5:40 am 8:07 pm EDT
WedMay 14.
  • 72°F
  • 63°F
Showers
Showers
  • Wind: 9mph SSE
  • Humidity: 78%
  • UV index: 5
  • Precip. probability: 53%
  • Precipitation: 0.31"
  • 5:39 am 8:08 pm EDT
ThuMay 15.
  • 81°F
  • 63°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph WSW
  • Humidity: 70%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:38 am 8:09 pm EDT
Models point to a combination of gloomy, wet and clear weather is anticipated.
Rain is predicted for Thursday, Friday, next Tuesday and Wednesday.
The temperature will vary considerably in the next ten days. Maximum temperatures are forecasted between 60.8°F and 80.6°F, while the variation in nighttime lows will be also notably wide, as the overnight lows will vary from 48.2°F to 62.6°F.
Sunday and next Thursday, with the highest temperature of 80.6°F, will be the warmest days in Mountainside; the lowest daytime temperature of the period will be reached on Friday, peaking at 60.8°F.
Updated: May 7, 2025 @ 00:12:21 UTC
Published by: Weather U.S. | About Us
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