Weather forecast for 10 daysWaterloo, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSE 154°
- Humidity: 65%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:18 pm CDT
- details ▼
Today, on Sunday, October 18, skies will stay clear and sunny.
A stark contrast will be observed between the day's peak temperature of a comfortable 66.2°F and the night's low of a wintry 35.6°F.
The predicted high for today will reflect the normal October maximum of 66.7°F.
Sunrise will be at 7:12 am and sunset at 6:18 pm; the daylight will last for 11h and 6min.
A stark contrast will be observed between the day's peak temperature of a comfortable 66.2°F and the night's low of a wintry 35.6°F.
The predicted high for today will reflect the normal October maximum of 66.7°F.
Sunrise will be at 7:12 am and sunset at 6:18 pm; the daylight will last for 11h and 6min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 81°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: tomorrow 7%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSE 154°
- Humidity: 65%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphSSE 149°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphE 89°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:14 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphNNE 26°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNNE 22°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphESE 112°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 146°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSW 198°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 201°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSE 156°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:07 pm CDT
- details ▼
Over the next ten days, conditions will reflect that a combination of bright and cloud-filled weather is anticipated.
Rainfall is not forecasted in Waterloo in the upcoming days.
Noticeable swings in temperature are expected in the upcoming period. The maximum temperature will vary between 66.2°F and 80.6°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 35.6°F and 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not forecasted in Waterloo in the upcoming days.
Noticeable swings in temperature are expected in the upcoming period. The maximum temperature will vary between 66.2°F and 80.6°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 35.6°F and 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 09:27:54 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, uninterrupted sunshine is anticipated.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 48.9°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 48.9°F.
On Sunday, in Waterloo, sunrise will be at 7:12 am and sunset at 6:18 pm (CDT).
In Waterloo, the length of the day today will be 11h and 6min.
