Weather forecast for todayDewey, IL

Weather forecast for today

Current condition 12:35 am CDT

  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 2mphS 170°
  • Humidity: 76%
  • Dewpoint: 34°F
  • Pressure: 30.48"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, the sky is completely clear with no clouds in sight.
The temperature is an icy 39.2°F. The current temperature is almost at the minimum-anticipated 35.6°F for today.

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphS 187°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
On Sunday, October 18, the weather remains calm, bright, and sunny.
Temperature readings will span from a daytime high of an enjoyable 64.4°F to a night low of a cold 35.6°F.
The anticipated daily high is projected to match October's typical maximum of 63°F.
Sunrise will be at 7:07 am and sunset at 6:09 pm; the daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 63°C.
Coldest period: 4 am - 7 am 37°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 2 am
  • 39°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 176°
  • Humidity: 77%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 178°
  • Humidity: 83%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:07 am
  • 8 am
  • 39°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphS 183°
  • Humidity: 80%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 192°
  • Humidity: 54%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 196°
  • Humidity: 41%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 192°
  • Humidity: 34%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 183°
  • Humidity: 32%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 173°
  • Humidity: 40%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:09 pm
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 158°
  • Humidity: 58%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 164°
  • Humidity: 69%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, mostly cloudless and sunny weather is anticipated.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be alike with the average high of 63°F in October. The lowest temperature is more comparable to November's average minimum of 35.6°F than the usual minimum of 47.1°F in October.
Updated: Oct 18, 2026 @ 05:35:43 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (12:35 am CDT) it is 39.2°F in Dewey.

On Sunday, in Dewey, clear skies and sunshine are anticipated.

Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 35.6°F.
The highest temperature will be in line with the average maximum of 63°F in October. The lowest temperature today will be significantly lower than the average low of 47.1°F.

On Sunday, in Dewey, sunrise will be at 7:07 am and sunset at 6:09 pm (CDT).

In Dewey, the length of the day today will be 11h and 2min.