Weather forecast for 10 daysMendham, NJ

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 50°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNNW 346°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:11 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
On Saturday, October 17, sunshine will dominate, with only occasional cloud cover.
The temperature scale will run from a maximum of a fresh 50°F to a minimum of a wintry 32°F.
The temperature will be lower and more consistent with November's average high of 50.4°F than with October's usual.
Sunrise was at 7:11 am and sunset will be at 6:15 pm; the daylight will last for 11h and 3min.

Sunday Oct 18, 2026

  • 59°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNE 32°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:13 am EDT
  • Sunset: 6:13 pm EDT
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Tomorrow, on Sunday, clear and sunny conditions are also expected.
Temperature span will be from a high of a moderate 59°F to a low of a wintry 35.6°F.
Tomorrow, the forecasted peak temperature is expected to mirror October's average high of 62.2°F.
Sunrise will be at 7:13 am and sunset at 6:13 pm; tomorrow's daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Warmest day: Tuesday 70°C.
Coldest day: today 50°C.

Chance of precipitation

Highest chance: Monday 26.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 50°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNNW 346°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:11 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 59°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNE 32°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:13 am EDT
  • Sunset: 6:13 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 26°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:14 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphNNE 21°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphNNE 31°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:16 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphN 9°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:17 am EDT
  • Sunset: 6:07 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 63°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphNNE 19°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 61°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 8mphNNE 28°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 7mphNNE 24°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:03 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphN 356°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:02 pm EDT
  • ▼
In the days ahead, a combination of mostly clear and dull weather is expected.
Rainfall is not anticipated in Mendham in the upcoming period.
Substantial differences in temperature are forecasted over the next several days. The maximum temperature will vary between 50°F and 69.8°F, while the fluctuation in night temperatures will be also significant, as temperatures overnight will fluctuate from 32°F up to 44.6°F.
Tuesday is expected to be the warmest, reaching up to 69.8°F; today is the coldest day, with a maximum temperature of 50°F.
Updated: Oct 17, 2026 @ 17:57:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, sun-filled skies will remain for most of the day.

Today, the highest temperature will be 50°F, while the lowest temperature will be 32°F.
The highest temperature will be notably lower than the average maximum of 62.2°F in October. The lowest temperature today will be also significantly lower than the average low of 47.1°F.

On Saturday, in Mendham, sunrise was at 7:11 am and sunset will be at 6:15 pm (EDT).

In Mendham, New Jersey, today, there will be 11h and 3min of daylight.

On Sunday, skies are expected to be clear and full of sunshine.

Tomorrow, the highest temperature in Mendham will be 59°F, while the lowest temperature will be 35.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be significantly lower than the average low of 47.1°F.

On Sunday, in Mendham, sunrise will be at 7:13 am and sunset at 6:13 pm (EDT).

Tomorrow, the daylight will last for 11h and 1min.