Weather forecast for todayWaterloo, IL

Weather forecast for today

Current condition 1:23 am CDT

  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 1mphNW 310°
  • Humidity: 98%
  • Dewpoint: 37°F
  • Pressure: 30.48"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
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.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSE 154°
  • Humidity: 54%
  • UV index: 5
  • Sunrise: 7:12 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
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.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 5 pm 63°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
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 137°
  • Humidity: 98%
  • Pressure: 30.47"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 155°
  • Humidity: 97%
  • Pressure: 30.47"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 152°
  • Humidity: 94%
  • Pressure: 30.47"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:12 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 146°
  • Humidity: 90%
  • 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: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 164°
  • 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 155°
  • Humidity: 35%
  • 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 137°
  • 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 141°
  • Humidity: 81%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
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.
Updated: Oct 18, 2026 @ 06:23:54 UTC
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.

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.