Decatur (IL)
Today
Today weather in Decatur
Monday, December 15th, 2025
0°
Sunny
Decatur can expect a bitterly cold day Today, with temperatures not exceeding the freezing point. It'll be quite breezy in Decatur Today with average wind speeds of 25 km/h.
0° / -23°
Temp
0%
Rain
25 km/h
Wind
67%
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 | 06:00 AM | 07:00 AM | 07:10 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 | 04:31 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | | |  | | | | | | | | | |  | | | | | | | | Next |
| temperatures | -22.4° | -22.7° | -22.3° | -21.6° | -20.8° | -20° | -19.3° | -18.2° | Sunrise | -17.1° | -15° | -12.3° | -9.5° | -7.1° | -4.9° | -2.8° | -1.6° | -1.5° | Sunset | -2.6° | -3.2° | -5.9° | -7° | -7.5° | -7.9° | -8.3° | |
| feels like | -29.5° | -30.4° | -30.2° | -29.8° | -28.9° | -28.4° | -27.7° | -27° | -26.1° | -24.3° | -21.6° | -18.3° | -15.2° | -12.4° | -9.6° | -7.6° | -6.4° | -7.1° | -8.2° | -10.8° | -12.1° | -12.5° | -12.9° | -13.4° | |||
| wind speed | 7 km/h | 10 km/h | 10 km/h | 14 km/h | 17 km/h | 17 km/h | 18 km/h | 20 km/h | 22 km/h | 22 km/h | 25 km/h | 26 km/h | 26 km/h | 23 km/h | 22 km/h | 18 km/h | 17 km/h | 13 km/h | 10 km/h | 13 km/h | 12 km/h | 12 km/h | 10 km/h | 11 km/h | |||
| wind degree | 185° | 184° | 179° | 185° | 185° | 186° | 187° | 187° | 192° | 194° | 192° | 196° | 201° | 204° | 208° | 209° | 202° | 195° | 192° | 199° | 209° | 203° | 200° | 204° | |||
| wind direction | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | |||
| 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 | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| 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 | 63% | 65% | 65% | 66% | 66% | 68% | 68% | 70% | 71% | 73% | 71% | 67% | 63% | 63% | 61% | 62% | 64% | 68% | 59% | 70% | 69% | 65% | 65% | 67% | |||
| dew point | -27.9° | -28° | -27.8° | -26.6° | -25.5° | -24.2° | -23.6° | -22.6° | -21.1° | -19.6° | -17.1° | -14.5° | -12.5° | -10.5° | -9.1° | -7.1° | -6.4° | -6.5° | -8° | -9.3° | -12.8° | -13.5° | -13.4° | -13.3° | |||
| visibility | 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 | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 12% | 17% | 15% | 9% | 5% | 8% | 8% | 8% | 7% | 8% | 8% | 6% | 4% | 3% | 2% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.8 | 1.5 | 2.4 | 2.6 | 2.1 | 1.5 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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Weather in Decatur today
The weather in Decatur today is expected to be noticeably cooler than usual, with a forecast temperature of 0 °F, compared to an average of 3 °F for December 15th in recent years.
temperatures
0 °F
rain
0 mm
wind
25 km/h
snow
0 cm
Decatur daylight overview ☀️
Today in Decatur, The sun rises at 07:10 and sets at 16:31, giving a total daylight duration of 9 hours and 21 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.
Thermal underwear
Sweater/Fleece
Insulated jacket
Warm pants
Warm boots
Beanie
Gloves/Mitten
Scarf
Thick socks
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 0° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it snow today in Decatur? ❄️
No, there is no significant chance of snow in Decatur today. It should be snow-free.
Will it rain today in Decatur? 🌧️
No, there is no significant chance of rain in Decatur today. It should be a dry day.
What will be the wind speed today in Decatur? 🌀
The wind in Decatur is expected to blow at 25 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Decatur today?
Given the forecast of 0 °F with a 0% 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 07:10 and set at 16:31 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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