Weather forecast for 10 daysDeKalb, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSW 225°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:10 pm CDT
- details ▼
On Saturday, in DeKalb, sun-filled conditions are expected to persist.
Temperature fluctuations between a moderate 55.4°F and a cold 37.4°F are anticipated.
Forecasted temperatures are trending a couple of degrees lower than October's climate norm of 59.9°F.
Sunrise was at 7:10 am and sunset will be at 6:10 pm; the daylight will last for 11h and 1min.
Temperature fluctuations between a moderate 55.4°F and a cold 37.4°F are anticipated.
Forecasted temperatures are trending a couple of degrees lower than October's climate norm of 59.9°F.
Sunrise was at 7:10 am and sunset will be at 6:10 pm; the daylight will last for 11h and 1min.
Sunday Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 201°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:09 pm CDT
- details ▼
Tomorrow, in DeKalb, sun-filled conditions are expected to persist.
Temperatures are predicted to peak at a comfortable 64.4°F and drop to a minimum of a wintry 39.2°F.
The high temperature will be moderately higher than the typical October level of 59.9°F.
Sunrise will be at 7:11 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 58min.
Temperatures are predicted to peak at a comfortable 64.4°F and drop to a minimum of a wintry 39.2°F.
The high temperature will be moderately higher than the typical October level of 59.9°F.
Sunrise will be at 7:11 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Maximum temperature: 73°C.
Coldest day: today 55°C.
Coldest day: today 55°C.
Chance of precipitation
Highest chance: Monday 26.10. 9%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSW 225°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 201°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 185°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSE 134°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphS 183°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSE 156°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 46°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSE 125°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:17 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphSE 146°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:18 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 73°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 196°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:19 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 70°F
- 48°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 8mphENE 65°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:20 am CDT
- Sunset: 5:57 pm CDT
- details ▼
Over the next ten days, conditions will reflect that a combination of sunny and cloudy weather is expected.
Rain is not anticipated in DeKalb in the upcoming days.
Significant changes in temperature are expected in the upcoming days. Maximum temperatures are forecasted between 55.4°F and 73.4°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 37.4°F and 50°F.
With a maximum temperature of 73.4°F, Thursday, Friday and next Sunday will be the warmest days in DeKalb; today is the coldest day, with a maximum temperature of 55.4°F.
Rain is not anticipated in DeKalb in the upcoming days.
Significant changes in temperature are expected in the upcoming days. Maximum temperatures are forecasted between 55.4°F and 73.4°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 37.4°F and 50°F.
With a maximum temperature of 73.4°F, Thursday, Friday and next Sunday will be the warmest days in DeKalb; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 17, 2026 @ 15:59:17 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
On Saturday, in DeKalb, sunny and dry conditions are anticipated.
Today, the maximum temperature will be 55.4°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be moderately lower than the average highest temperature of 59.9°F in October. Today, the lowest temperature will be also slightly cooler than the average low temperature.
The maximum temperature will be moderately lower than the average highest temperature of 59.9°F in October. Today, the lowest temperature will be also slightly cooler than the average low temperature.
On Saturday, in DeKalb, sunrise was at 7:10 am and sunset will be at 6:10 pm (CDT).
Today, the daylight will last for 11h and 1min.
Tomorrow, expect bright skies and plenty of sunshine.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
The maximum temperature tomorrow will be a few degrees higher than the average highest temperature in October. The lowest temperature will be also a couple of degrees lower than the average low of 44.1°F.
The maximum temperature tomorrow will be a few degrees higher than the average highest temperature in October. The lowest temperature will be also a couple of degrees lower than the average low of 44.1°F.
On Sunday, in DeKalb, sunrise will be at 7:11 am and sunset at 6:09 pm (CDT).
In DeKalb, the length of the day tomorrow will be 10h and 58min.





