Weather forecast for todayWaterloo, IL

Weather forecast for today

Current condition 12:15 am CDT

  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphNW 320°
  • Humidity: 96%
  • Dewpoint: 37°F
  • Pressure: 30.48"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
At the moment, in Waterloo, perfect weather prevails with no clouds and a clear sky overhead.
The temperature is a wintry 39.2°F. The current temperature is almost at the minimum-predicted 37.4°F for today.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSE 153°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:12 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
Today, sunshine and minimal clouds are in the outlook.
A daytime temperature reaching up to a comfortable 66.2°F will sharply contrast with a nighttime low of a cold 37.4°F.
Today's top temperature will adhere to the average October high temperature 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 hour: 4 pm 64°C.
Coldest hour: 7 am 36°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 137°
  • Humidity: 97%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 156°
  • Humidity: 93%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 152°
  • Humidity: 91%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:12 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSE 146°
  • Humidity: 88%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSSE 151°
  • Humidity: 62%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 163°
  • Humidity: 44%
  • 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: 38%
  • 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 154°
  • Humidity: 34%
  • 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 135°
  • Humidity: 44%
  • 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 143°
  • Humidity: 81%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, bright skies and dry conditions are anticipated.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The high temperature is expected to be close to October's usual value of 66.7°F. The minimum temperature will be more comparable to November's average low of 38.1°F than October's typical 48.9°F.
Updated: Oct 18, 2026 @ 05:15:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 12:15 am CDT is 39.2°F.

Today, skies are expected to be clear and full of sunshine.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be notably 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.