Decatur (IL)
Today
Today weather in Decatur
Monday, July 20th, 2026
33°
Sunny
Feels like 35° · Low 18°
Today, Decatur is set to face a notably hot day, with temperatures spiking up to 32 °C and offering slight relief at 18 °C by night. Gentle breezes are expected across Decatur Today, with speeds reaching around 13 km/h. There's a slight chance of rain at 9%.
33° / 18°
Temp
9%
Rain
13 km/h
Wind
79%
Humidity
Decatur Weather Pages
Decatur hourly forecast for today
Scroll right to see more weather forecasts for Decatur today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 05:44 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:20 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | |  |  |  | | | | | | | | | | | | | | |  | | | | Next |
| temperatures | 20.8° | 20.1° | 19.6° | 19.4° | 19° | 18.3° | Sunrise | 18.1° | 19.3° | 21.1° | 23.1° | 24.8° | 29.6° | 30.8° | 32° | 32.4° | 32.6° | 32.7° | 32.4° | 27.6° | 26.6° | 24.6° | Sunset | 23.4° | 23.1° | 22.8° | |
| feels like | 14.9° | 14.2° | 13.7° | 13.5° | 13.2° | 18.3° | 12.4° | 13.8° | 15.6° | 17.6° | 19.1° | 33.7° | 35.2° | 36.3° | 36.2° | 35.7° | 35.4° | 34.9° | 30.9° | 27.7° | 18.9° | 17.3° | 16.7° | 16.3° | |||
| wind speed | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 9 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 9 km/h | 8 km/h | 5 km/h | 6 km/h | 8 km/h | 7 km/h | 8 km/h | 8 km/h | 9 km/h | 9 km/h | 9 km/h | 11 km/h | 12 km/h | 13 km/h | |||
| wind degree | 74° | 80° | 82° | 90° | 100° | 106° | 108° | 116° | 133° | 148° | 157° | 176° | 226° | 251° | 282° | 254° | 261° | 222° | 224° | 223° | 214° | 218° | 200° | 188° | |||
| wind direction | ENE | E | E | E | E | ESE | ESE | ESE | SE | SSE | SSE | S | SW | WSW | WNW | WSW | W | SW | SW | SW | SW | SW | SSW | S | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 12% | 13% | 18% | 18% | 19% | 19% | 19% | 18% | 12% | 11% | 9% | 5% | 4% | 3% | 3% | 2% | 2% | 2% | 9% | 11% | 13% | 14% | 14% | 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 | 88% | 90% | 92% | 93% | 94% | 97% | 94% | 92% | 88% | 83% | 80% | 68% | 63% | 57% | 54% | 51% | 49% | 49% | 78% | 84% | 88% | 91% | 92% | 92% | |||
| dew point | 18.7° | 18.4° | 18.3° | 18.3° | 18° | 17.3° | 17.1° | 18.1° | 19° | 20.1° | 21.2° | 23.1° | 23° | 22.6° | 22° | 21° | 20.6° | 20.4° | 23.5° | 23.7° | 22.4° | 21.9° | 21.6° | 21.5° | |||
| visibility | 10 km | 10 km | 2 km | 2 km | 2 km | 4.8 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 0% | 0% | 0% | 1% | 0% | 3% | 2% | 5% | 6% | 3% | 2% | 2% | 5% | 7% | 3% | 1% | 0% | 7% | 5% | 9% | 10% | 7% | 9% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.8 | 2 | 3.6 | 5.5 | 6.5 | 6.8 | 6.8 | 5.8 | 3.8 | 2.2 | 0.9 | 0.3 | 0 | 0 | 0 | 0 |
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Weather in Decatur today
The weather in Decatur today is expected to be much warmer than usual, with a forecast temperature of 33 °C, compared to an average of 26.5 °C for July 20th in recent years.
temperatures
33 °C
rain
0 mm
wind
13 km/h
UV
High
Decatur daylight overview ☀️
Today in Decatur, The sun rises at 05:44 and sets at 20:20, giving a total daylight duration of 14 hours and 36 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 trousers
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
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 33° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Decatur? 🌧️
Yes, there is a 9% 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 13 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Decatur today?
Given the forecast of 33 °C with a 9% 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 05:44 and set at 20:20 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.
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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.
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