Weather forecast for 10 daysMount Prospect, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • min.
  • 41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 212°
  • Humidity: 62%
  • UV index: 0
  • Sunrise: 7:06 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
In Mount Prospect, during the afternoon and for the rest of the day, pristine, cloud-free skies are expected all day long.
The lowest forecasted temperature is a wintry 41°F.
Sunrise was at 7:06 am and sunset will be at 6:07 pm; the daylight will last for 11h and 0min.

Sunday Oct 18, 2026

  • 63°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 207°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
Tomorrow, on Sunday, the weather remains calm, bright, and sunny.
The temperature variation is forecasted to range from a maximum of an enjoyable 62.6°F to a minimum of a wintry 41°F.
This forecasted maximum temperature is expected to mirror October's typical high of 59.9°F.
Sunrise will be at 7:08 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Maximum temperature: 72°C.
Coldest day: tomorrow 63°C.

Chance of precipitation

Highest chance: Monday 26.10. 21%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 212°
  • Humidity: 62%
  • UV index: 0
  • Sunrise: 7:06 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 207°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSW 200°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphE 95°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphS 189°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphENE 59°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 70°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphSE 126°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 70°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSE 146°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 194°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 7mphNNE 25°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
Conditions over the next ten days suggest that a combination of cloud-filled and mostly clear weather is predicted.
Rainfall is not anticipated in Mount Prospect in the upcoming days.
In the upcoming period, the highest temperature will range between 62.6°F and 71.6°F, while the low temperature range extends from 41°F to 50°F.
Thursday and next Sunday, with the highest temperature of 71.6°F, will be the warmest days; with the highest temperature of 62.6°F, Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 20:30:57 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, skies will stay clear and sunny.

Tomorrow, the highest temperature in Mount Prospect will be 62.6°F, while the lowest temperature will be 41°F.
The highest temperature will be in line with the average maximum of 59.9°F in October. The lowest temperature will be slightly cooler than the average low of 46.4°F.

On Sunday, in Mount Prospect, sunrise will be at 7:08 am and sunset at 6:05 pm (CDT).

In Mount Prospect, tomorrow, there will be 10h and 58min of daylight.