Decatur (IL)
Today
Today weather in Decatur
Thursday, August 6th, 2026
29°
Sunny
Feels like 31° · Low 21°
Decatur will have a warm day Today with temperatures ascending to 28 °F and descending to around 21 °F after sunset. It'll be quite breezy in Decatur Today with average wind speeds of 17 km/h. Intermittent light showers are likely, with about 1.92 mm expected. Given the warmth, it might feel a bit stifling.
29° / 21°
Temp
59%
Rain
17 km/h
Wind
81%
Humidity
Decatur Weather Pages
Decatur hourly forecast for today
Scroll right to see more weather forecasts for Decatur today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:59 AM | 06:00 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 08:04 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | | |  | |  |  | | | | | | | | | |  | | | | |  | | | | Next |
| temperatures | 21.4° | 21.3° | 21.2° | 21.4° | 21° | 21.1° | Sunrise | 21.2° | 21.3° | 21.7° | 21.7° | 23.1° | 26.5° | 28.3° | 28.6° | 28.9° | 28.2° | 27° | 27° | 27° | 26.2° | 24° | Sunset | 22.7° | 22.6° | 21.9° | |
| Feels like | 23.5° | 22.6° | 23.2° | 23.3° | 22.7° | 23.1° | 22.6° | 22.2° | 23° | 23.2° | 24.4° | 28° | 30.5° | 31.5° | 31.4° | 30.3° | 28.4° | 28.5° | 28.4° | 27.7° | 25.4° | 23.3° | 24° | 23.3° | |||
| wind speed | 10 km/h | 13 km/h | 9 km/h | 10 km/h | 11 km/h | 10 km/h | 12 km/h | 14 km/h | 13 km/h | 12 km/h | 14 km/h | 15 km/h | 14 km/h | 18 km/h | 17 km/h | 14 km/h | 13 km/h | 14 km/h | 12 km/h | 11 km/h | 12 km/h | 15 km/h | 12 km/h | 12 km/h | |||
| wind degree | 149° | 141° | 170° | 233° | 149° | 203° | 197° | 187° | 213° | 218° | 223° | 230° | 213° | 192° | 196° | 195° | 188° | 192° | 181° | 172° | 155° | 152° | 153° | 153° | |||
| wind direction | SSE | SE | S | SW | SSE | SSW | SSW | S | SW | SW | SW | SW | SSW | SSW | SSW | SSW | S | SSW | S | S | SSE | SSE | SSE | SSE | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0.3 mm | 1 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0.1 mm | 0 mm | 0 mm | 0.2 mm | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 15% | 15% | 15% | 16% | 48% | 73% | 31% | 13% | 25% | 36% | 30% | 6% | 13% | 28% | 21% | 4% | 6% | 6% | 5% | 7% | 9% | 10% | 15% | 15% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 94% | 93% | 94% | 95% | 95% | 96% | 92% | 91% | 91% | 91% | 87% | 71% | 65% | 68% | 63% | 65% | 64% | 65% | 64% | 70% | 78% | 82% | 85% | 87% | |||
| dew point | 20.5° | 20.2° | 20.1° | 20.5° | 20.2° | 20.5° | 19.8° | 19.7° | 20.2° | 20.1° | 20.8° | 20.7° | 21° | 22.1° | 21.3° | 20.9° | 19.7° | 19.9° | 19.7° | 20.2° | 20° | 19.5° | 20° | 19.7° | |||
| visibility | 9 km | 10 km | 9 km | 9 km | 10 km | 10 km | 9 km | 10 km | 10 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 5 km | 9 km | 10 km | 2 km | 2 km | |||
| cloud cover | 2% | 2% | 5% | 7% | 72% | 82% | 82% | 0% | 74% | 83% | 88% | 0% | 79% | 89% | 74% | 3% | 27% | 23% | 15% | 15% | 11% | 0% | 2% | 0% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.4 | 1.3 | 2.5 | 3.1 | 5.2 | 6.6 | 6.8 | 5.6 | 4 | 2.1 | 0.8 | 0.2 | 0 | 0 | 0 | 0 |
How accurate is our weather forecast for Decatur?
See how others rate our Decatur forecast accuracy and help others by voting.
Weather in Decatur today
The temperature today in Decatur is expected to be typical for this time of year, with a forecast of 29 °F, closely aligning with the historical average for August 6th.
temperatures
29 °F
rain
1.9 mm
wind
17 km/h
UV
High
Decatur daylight overview ☀️
Today in Decatur, The sun rises at 05:59 and sets at 20:04, giving a total daylight duration of 14 hours and 5 minutes.
Quick links
More Decatur weather pages
What to wear today in Decatur? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Decatur forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
Umbrella
The weather today in Decatur - FAQ
What is the maximum temperature for today in Decatur?
The maximum temperature for today in Decatur is expected to be 29° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Decatur? 🌧️
Yes, there is a 59% chance of rain in Decatur today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Decatur? 🌀
The wind in Decatur is expected to blow at 17 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Decatur today?
Given the forecast of 29 °F with a 59% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Decatur today.
What is the sunrise and sunset time for Decatur today?
The sun is expected to rise at 05:59 and set at 20:04 in Decatur.
How accurate is the weather forecast Decatur today? ✅
Decatur weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
You are here
Where is Decatur?Get accurate weather forecasts for Decatur, located at latitude 39.84 and longitude -88.955. Stay updated with localized weather information tailored for Decatur.
Found a mistake?
We appreciate your attention to details. Tell us here.