Weather forecast for todayDecatur, IL
Weather forecast for today
Current condition 10:18 am CDT
- 48°F
- Feels like:46°F
Sunny
- Precipitation: 0"
- Wind: 6mphENE 70°
- Humidity: 60%
- Dewpoint: 36°F
- Pressure: 30.57"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
Currently, the sun’s rays are illuminating everything under a clear sky.
The temperature is a brisk 48.2°F, and the apparent temperature is almost the same at 46.4°F. The current temperature is relatively far from the maximum of 59°F predicted for today.
The temperature is a brisk 48.2°F, and the apparent temperature is almost the same at 46.4°F. The current temperature is relatively far from the maximum of 59°F predicted for today.
Saturday Oct 17, 2026
- 59°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphN 352°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:13 pm CDT
- details ▼
Today, in Decatur, sunny skies and pleasant visibility are expected.
Temperature fluctuations between a mild 59°F and a cold 35.6°F are predicted.
The anticipated top temperature is expected to be slightly cooler than the usual October maximum of 64°F.
Sunrise was at 7:08 am and sunset will be at 6:13 pm; the daylight will last for 11h and 5min.
Temperature fluctuations between a mild 59°F and a cold 35.6°F are predicted.
The anticipated top temperature is expected to be slightly cooler than the usual October maximum of 64°F.
Sunrise was at 7:08 am and sunset will be at 6:13 pm; the daylight will last for 11h and 5min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 5 pm 57°C.
Coldest hour: 1 am 41°C.
Coldest hour: 1 am 41°C.
Chance of precipitation
Highest chance: 1 am 3%.
Hourly weather forecast
- 11 am
- 50°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 50°
- Humidity: 58%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 41°
- Humidity: 53%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 1 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNNE 24°
- Humidity: 48%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNE 16°
- Humidity: 45%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 3 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWNW 285°
- Humidity: 44%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWSW 248°
- Humidity: 41%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 230°
- Humidity: 41%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 54°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 220°
- Humidity: 51%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:13 pm
- 7 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 205°
- Humidity: 60%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphS 170°
- Humidity: 66%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 168°
- Humidity: 72%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 155°
- Humidity: 78%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 156°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, in Decatur, sunshine is expected.
The temperature will vary between a maximum of 57.2°F and a minimum of 42.8°F. The warmest part of the day will be from 3 pm to 5 pm.
Today, the forecasted high will be slightly cooler than October's typical peak temperature. The lowest temperature today is more alike with November's average minimum of 36.1°F than the average low in October of 48°F.
The temperature will vary between a maximum of 57.2°F and a minimum of 42.8°F. The warmest part of the day will be from 3 pm to 5 pm.
Today, the forecasted high will be slightly cooler than October's typical peak temperature. The lowest temperature today is more alike with November's average minimum of 36.1°F than the average low in October of 48°F.
Updated: Oct 17, 2026 @ 15:18:24 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (10:18 am CDT) is 48.2°F.
On Saturday, sunshine will likely continue with scattered clouds at most.
Today, the maximum temperature will be 59°F, while the minimum temperature will be 35.6°F.
The highest temperature today will be a few degrees lower than the average maximum temperature in October. The lowest temperature today will be uncommonly lower than the average low of 48°F.
The highest temperature today will be a few degrees lower than the average maximum temperature in October. The lowest temperature today will be uncommonly lower than the average low of 48°F.
On Saturday, in Decatur, sunrise was at 7:08 am and sunset will be at 6:13 pm (CDT).
Today, the daylight will last for 11h and 5min.
Decatur, Illinois, USA
- en: Decatur, Illinois, USA
- es: Decatur, Illinois, EE.UU.
- hr: Dekejtur, Ilinois, SAD
- mk: Dekejtur, Ilinois, SAD
- sr: Dekejtur, Ilinois, SAD
- zh: 迪凯特, 伊利诺伊, 美国
- Latitude: 39.840315°
- Longitude: -88.954800°
- Elevation: 676 ft
- Current time: 11:08am CDT
- Sunrise: 7:08 am CDT
- Sunset: 6:13 pm CDT
- Timezone: America/Chicago
Nearby Decatur, Illinois, USA
- Elwin (4 mi)
- Long Creek (6 mi)
- Forsyth (6 mi)
- Mount Zion (6 mi)
- Harristown (7 mi)
- Boody (7 mi)
- Oakley (8 mi)
- Oreana (8 mi)
- Warrensburg (9 mi)
- Macon (9 mi)
- Niantic (11 mi)
- Dalton City (12 mi)
- Argenta (12 mi)
- Cerro Gordo (12 mi)
- La Place (13 mi)
- Blue Mound (13 mi)
- Maroa (14 mi)
- Latham (14 mi)
- Illiopolis (16 mi)
- Moweaqua (16 mi)
- Milmine (17 mi)
- Mount Auburn (17 mi)
- Bethany (17 mi)
- Stonington (19 mi)
Illinois, USA - most visited locations
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