Weather forecast for todayWaterloo, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:27 am CDT

  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphNNW 330°
  • Humidity: 100%
  • Dewpoint: 36°F
  • Pressure: 30.48"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
In Waterloo, currently, a deep blue sky remains clear and cloudless.
The temperature is a cold 35.6°F. The current temperature is at the minimum predicted for today.

Sunday Oct 18, 2026

  • 66°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSE 154°
  • Humidity: 65%
  • UV index: 5
  • Sunrise: 7:12 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
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.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 5 pm 64°C.
Coldest period: 5 am - 7 am 36°C.

Chance of precipitation

Highest chance: 11 pm 3%.

Hourly weather forecast

  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSSE 154°
  • Humidity: 99%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:12 am
  • 8 am
  • 37°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 148°
  • Humidity: 93%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSE 151°
  • Humidity: 65%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 162°
  • Humidity: 46%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 157°
  • Humidity: 39%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 153°
  • Humidity: 36%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSE 134°
  • Humidity: 45%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSE 138°
  • Humidity: 69%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 139°
  • Humidity: 84%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily bright and sunny weather is anticipated.
The temperature will vary between a maximum of 64.4°F and a minimum of 35.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature will be similar to the average high of 66.7°F in October. Today, the overnight low is more close to November's usual minimum of 38.1°F than October's 48.9°F.
Updated: Oct 18, 2026 @ 09:27:54 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (4:27 am CDT) in Waterloo is 35.6°F.

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.

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.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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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: 4:27am CDT
  • Sunrise: 7:12 am CDT
  • Sunset: 6:18 pm CDT
  • Timezone: America/Chicago

Nearby Waterloo, Illinois, USA

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