Weather forecast for 10 daysArlington Heights, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 57°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphWSW 237°
- Humidity: 45%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:07 pm CDT
- details ▼
Today, skies are expected to be clear and full of sunshine.
Forecasted temperatures will peak at a refreshing 57.2°F and dip to a minimum of a cold 41°F.
Today's peak is predicted to reflect the usual October high temperature of 60.1°F.
Sunrise was at 7:07 am and sunset will be at 6:07 pm; the daylight will last for 11h and 0min.
Forecasted temperatures will peak at a refreshing 57.2°F and dip to a minimum of a cold 41°F.
Today's peak is predicted to reflect the usual October high temperature of 60.1°F.
Sunrise was at 7:07 am and sunset will be at 6:07 pm; the daylight will last for 11h and 0min.
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphSSW 209°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Tomorrow, in Arlington Heights, uninterrupted sunshine is anticipated.
The temperature is predicted to vary between a maximum of a breezy 64.4°F and a minimum of a cold 41°F.
Tomorrow's high temperature is expected to be a few degrees higher than the typical October peak of 60.1°F.
Sunrise will be at 7:08 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.
The temperature is predicted to vary between a maximum of a breezy 64.4°F and a minimum of a cold 41°F.
Tomorrow's high temperature is expected to be a few degrees higher than the typical October peak of 60.1°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
Warmest day: Sunday 25.10. 73°C.
Coldest day: today 57°C.
Coldest day: today 57°C.
Chance of precipitation
Highest chance: 7%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 57°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphWSW 237°
- Humidity: 45%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphSSW 209°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 43°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSW 202°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphESE 110°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSW 195°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 148°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 48°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphESE 117°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:14 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSE 145°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:15 am CDT
- Sunset: 5:56 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 207°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:16 am CDT
- Sunset: 5:55 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphNE 34°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:17 am CDT
- Sunset: 5:53 pm CDT
- details ▼
During the upcoming ten-day period, a combination of sunny and gloomy weather is predicted.
Rain is not expected in Arlington Heights in the upcoming period.
There will be a considerable variation in temperature in the upcoming days. The maximum temperature will vary between 57.2°F and 73.4°F, while nighttime temperatures are expected to vary from 41°F to 50°F.
The warmest day will be next Sunday, with a maximum of 73.4°F; today is the coldest day, with a maximum temperature of 57.2°F.
Rain is not expected in Arlington Heights in the upcoming period.
There will be a considerable variation in temperature in the upcoming days. The maximum temperature will vary between 57.2°F and 73.4°F, while nighttime temperatures are expected to vary from 41°F to 50°F.
The warmest day will be next Sunday, with a maximum of 73.4°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 15:15:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, skies are expected to be clear and full of sunshine.
Today, the highest temperature will be 57.2°F, while the lowest temperature will be 41°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be relatively lower than the average low temperature.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be relatively lower than the average low temperature.
On Saturday, in Arlington Heights, sunrise was at 7:07 am and sunset will be at 6:07 pm (CDT).
In Arlington Heights, today, there will be 11h and 0min of daylight.
Tomorrow, sunny and dry conditions are anticipated.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
The highest temperature will be relatively higher than the average maximum of 60.1°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
The highest temperature will be relatively higher than the average maximum of 60.1°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
On Sunday, in Arlington Heights, sunrise will be at 7:08 am and sunset at 6:05 pm (CDT).
Tomorrow, the daylight will last for 10h and 58min.
