Weather forecast for todayWaterloo, IL
Weather forecast for today
Current condition 1:23 am CDT
- 37°F
- Feels like:37°F
Clear
- Precipitation: 0"
- Wind: 1mphNW 310°
- Humidity: 98%
- Dewpoint: 37°F
- Pressure: 30.48"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Currently, no clouds in sight, just a completely clear atmosphere.
The temperature is a cold 37.4°F. The present temperature is at its lowest of the day.
The temperature is a cold 37.4°F. The present temperature is at its lowest of the day.
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSE 154°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:18 pm CDT
- details ▼
On Sunday, in Waterloo, clear skies and sunshine are anticipated.
A substantial temperature fluctuation from a comfortable 66.2°F at its peak to a cold 37.4°F at its lowest point is predicted.
Today, the forecasted maximum temperature should be consistent with October's typical high 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 substantial temperature fluctuation from a comfortable 66.2°F at its peak to a cold 37.4°F at its lowest point is predicted.
Today, the forecasted maximum temperature should be consistent with October's typical high 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.
Hourly overview
Hourly temperatures
Warmest period: 2 pm - 5 pm 63°C.
Coldest period: 2 am - 5 am 37°C.
Coldest period: 2 am - 5 am 37°C.
Chance of precipitation
Highest chance: 2%.
Hourly weather forecast
- 2 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSE 137°
- Humidity: 98%
- Pressure: 30.47"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 155°
- Humidity: 97%
- Pressure: 30.47"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 152°
- Humidity: 94%
- Pressure: 30.47"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunrise: 7:12 am
- 8 am
- 39°F
- Feels like:39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSE 146°
- Humidity: 90%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSE 151°
- Humidity: 62%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 164°
- Humidity: 44%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 157°
- Humidity: 38%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 155°
- Humidity: 35%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 135°
- Humidity: 44%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:18 pm
- 8 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSE 137°
- Humidity: 69%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSE 141°
- Humidity: 81%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature today will be close to October's average high. The lowest temperature is more in line with November's average minimum of 38.1°F than the usual minimum of 48.9°F in October.
The temperature will be between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature today will be close to October's average high. The lowest temperature is more in line with November's average minimum of 38.1°F than the usual minimum of 48.9°F in October.
Updated: Oct 18, 2026 @ 06:23:54 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (1:23 am CDT) is 37.4°F.
On Sunday, conditions remain stable and sunny, with little cloud presence.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be significantly lower than the average low of 48.9°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be significantly 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, Illinois, the length of the day today will be 11h and 6min.
Waterloo, Illinois, USA
- en: Waterloo, Illinois, USA
- es: Waterloo, Illinois, EE.UU.
- hr: Voterlu, Ilinois, SAD
- mk: Voterlu, Ilinois, SAD
- sr: Voterlu, Ilinois, SAD
- zh: 滑铁卢, 伊利诺伊, 美国
- Latitude: 38.335886°
- Longitude: -90.149834°
- Elevation: 709 ft
- Current time: 1:23am CDT
- Sunrise: 7:12 am CDT
- Sunset: 6:18 pm CDT
- Timezone: America/Chicago
Nearby Waterloo, Illinois, USA
- Valmeyer (7 mi)
- Columbia (8 mi)
- Hecker (9 mi)
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- Millstadt (9 mi)
- Smithton (10 mi)
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- Renault (12 mi)
- Dupo (13 mi)
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- Herculaneum (13 mi)
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- Lemay (16 mi)
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Illinois, USA - most visited locations
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