Weather forecast for todayDewey, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:01 am CDT

  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 3mphS 180°
  • Humidity: 76%
  • Dewpoint: 30°F
  • Pressure: 30.49"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, the atmosphere is fresh and open, with clear skies above.
The temperature is a cold 37.4°F. The current temperature is near the lowest predicted 35.6°F for today.

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphS 187°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
On Sunday, in Dewey, the weather remains calm, bright, and sunny.
The peak daytime temperature will touch a comfortable 64.4°F, while the nighttime temperature will descend to a cold 35.6°F.
Forecasts show that today the temperature will align with October's standard 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: 3 pm 64°C.
Coldest period: 5 am - 7 am 37°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 6 am
  • 37°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 79%
  • 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: 2%
  • Precipitation: 0"
  • Wind: 6mphS 185°
  • Humidity: 79%
  • 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: 55%
  • 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:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 192°
  • Humidity: 34%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphS 182°
  • Humidity: 32%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 174°
  • Humidity: 38%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:09 pm
  • 8 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 158°
  • Humidity: 56%
  • 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, in Dewey, bright and mostly sunny weather is expected.
The temperature will be between a minimum of 37.4°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, expect conditions resembling October's usual high temperature. The expected low will be more similar to what’s common in November than the current October average of 47.1°F.
Updated: Oct 18, 2026 @ 09:01:06 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 4:01 am CDT is 37.4°F.

Today, sunny skies and pleasant visibility are expected.

Today, the maximum temperature will be 64.4°F, while the minimum 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 notably 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, today, there will be 11h and 2min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Dewey, Illinois, USA

  • en: Dewey, Illinois, USA
  • es: Dewey, Illinois, EE.UU.
  • hr: Dьюi, Ilinois, SAD
  • mk: Dьюi, Ilinois, SAD
  • sr: Dьюi, Ilinois, SAD
  • zh: 杜威, 伊利诺伊, 美国
  • Latitude: 40.318922°
  • Longitude: -88.281996°
  • Elevation: 728 ft
  • Current time: 4:01am CDT
  • Sunrise: 7:07 am CDT
  • Sunset: 6:09 pm CDT
  • Timezone: America/Chicago

Nearby Dewey, Illinois, USA

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