Decatur Weather
4°
Clear sky
Decatur, Illinois, United States
Feels like 1° · Local time 20:30
Hour by hour
No rain expected in the next 24 hours.
Now
4°
💧0%
9 PM
3°
💧0%
10 PM
3°
💧0%
11 PM
3°
💧0%
12 AM
2°
💧0%
1 AM
2°
💧0%
2 AM
2°
💧0%
3 AM
1°
💧0%
4 AM
1°
💧0%
5 AM
1°
💧0%
6 AM
1°
💧0%
7 AM
1°
💧0%
8 AM
4°
💧0%
9 AM
7°
💧0%
10 AM
9°
💧0%
11 AM
12°
💧0%
12 PM
14°
💧0%
1 PM
15°
💧0%
2 PM
17°
💧0%
3 PM
17°
💧0%
4 PM
15°
💧0%
5 PM
12°
💧0%
6 PM
10°
💧0%
7 PM
9°
💧0%
Rain radar
Loading radar…
Decatur 16-day weather forecast
Today
Overcast · 💧0%
-1°12°
Sunday, Nov 8
Partly cloudy · 💧0%
1°17°
Monday, Nov 9
Fog · 💧0%
1°16°
Tuesday, Nov 10
Partly cloudy · 💧0%
9°20°
Wednesday, Nov 11
Overcast · 💧36%
8°17°
Thursday, Nov 12
Overcast · 💧22%
4°9°
Friday, Nov 13
Overcast · 💧7%
1°6°
Saturday, Nov 14
Overcast · 💧1%
-2°8°
Sunday, Nov 15
Mainly clear · 💧2%
0°14°
Monday, Nov 16
Overcast · 💧2%
6°18°
Tuesday, Nov 17
Showers · 💧6%
10°17°
Wednesday, Nov 18
Showers · 💧16%
9°17°
Thursday, Nov 19
Light drizzle · 💧18%
7°18°
Friday, Nov 20
Light drizzle · 💧32%
11°19°
Saturday, Nov 21
Overcast · 💧32%
8°19°
Sunday, Nov 22
Overcast · 💧27%
5°8°
Today's details
- Feels like
- 1°
- Humidity
- 77%
- Dew point
- 0°
- Wind
- 4 km/h SW
- Gusts
- 13 km/h
- Pressure
- 1021 hPa · steady
- UV index now
- 0 · max 4
- Visibility
- 21 km
- Sunrise / sunset
- 06:31 / 16:47
- Moon
- Waning Crescent · 6% lit
Hour-by-hour detail — next 48 hours
| Time | Temp | Rain | Amount | Humidity | Wind | |
|---|---|---|---|---|---|---|
| Now | 4° | 0% | 0.0 mm | 73% | 6 km/h | |
| 9 PM | 3° | 0% | 0.0 mm | 81% | 8 km/h | |
| 10 PM | 3° | 0% | 0.0 mm | 88% | 7 km/h | |
| 11 PM | 3° | 0% | 0.0 mm | 88% | 7 km/h | |
| 12 AM 11-08 | 2° | 0% | 0.0 mm | 87% | 7 km/h | |
| 1 AM 11-08 | 2° | 0% | 0.0 mm | 90% | 8 km/h | |
| 2 AM 11-08 | 2° | 0% | 0.0 mm | 91% | 9 km/h | |
| 3 AM 11-08 | 1° | 0% | 0.0 mm | 91% | 8 km/h | |
| 4 AM 11-08 | 1° | 0% | 0.0 mm | 91% | 8 km/h | |
| 5 AM 11-08 | 1° | 0% | 0.0 mm | 92% | 9 km/h | |
| 6 AM 11-08 | 1° | 0% | 0.0 mm | 91% | 10 km/h | |
| 7 AM 11-08 | 1° | 0% | 0.0 mm | 89% | 12 km/h | |
| 8 AM 11-08 | 4° | 0% | 0.0 mm | 84% | 15 km/h | |
| 9 AM 11-08 | 7° | 0% | 0.0 mm | 78% | 16 km/h | |
| 10 AM 11-08 | 9° | 0% | 0.0 mm | 69% | 14 km/h | |
| 11 AM 11-08 | 12° | 0% | 0.0 mm | 61% | 14 km/h | |
| 12 PM 11-08 | 14° | 0% | 0.0 mm | 57% | 17 km/h | |
| 1 PM 11-08 | 15° | 0% | 0.0 mm | 52% | 19 km/h | |
| 2 PM 11-08 | 17° | 0% | 0.0 mm | 51% | 18 km/h | |
| 3 PM 11-08 | 17° | 0% | 0.0 mm | 49% | 17 km/h | |
| 4 PM 11-08 | 15° | 0% | 0.0 mm | 54% | 12 km/h | |
| 5 PM 11-08 | 12° | 0% | 0.0 mm | 62% | 8 km/h | |
| 6 PM 11-08 | 10° | 0% | 0.0 mm | 69% | 9 km/h | |
| 7 PM 11-08 | 9° | 0% | 0.0 mm | 69% | 10 km/h | |
| 8 PM 11-08 | 8° | 0% | 0.0 mm | 70% | 9 km/h | |
| 9 PM 11-08 | 7° | 0% | 0.0 mm | 78% | 8 km/h | |
| 10 PM 11-08 | 7° | 0% | 0.0 mm | 83% | 9 km/h | |
| 11 PM 11-08 | 6° | 0% | 0.0 mm | 88% | 7 km/h | |
| 12 AM 11-09 | 5° | 0% | 0.0 mm | 88% | 7 km/h | |
| 1 AM 11-09 | 4° | 0% | 0.0 mm | 89% | 7 km/h | |
| 2 AM 11-09 | 4° | 0% | 0.0 mm | 89% | 7 km/h | |
| 3 AM 11-09 | 3° | 0% | 0.0 mm | 90% | 7 km/h | |
| 4 AM 11-09 | 2° | 0% | 0.0 mm | 90% | 6 km/h | |
| 5 AM 11-09 | 2° | 0% | 0.0 mm | 91% | 7 km/h | |
| 6 AM 11-09 | 2° | 0% | 0.0 mm | 91% | 5 km/h | |
| 7 AM 11-09 | 1° | 0% | 0.0 mm | 98% | 4 km/h | |
| 8 AM 11-09 | 3° | 0% | 0.0 mm | 100% | 5 km/h | |
| 9 AM 11-09 | 6° | 0% | 0.0 mm | 89% | 3 km/h | |
| 10 AM 11-09 | 9° | 0% | 0.0 mm | 76% | 3 km/h | |
| 11 AM 11-09 | 11° | 0% | 0.0 mm | 67% | 5 km/h | |
| 12 PM 11-09 | 13° | 0% | 0.0 mm | 60% | 6 km/h | |
| 1 PM 11-09 | 14° | 0% | 0.0 mm | 53% | 7 km/h | |
| 2 PM 11-09 | 14° | 0% | 0.0 mm | 50% | 6 km/h | |
| 3 PM 11-09 | 15° | 0% | 0.0 mm | 49% | 6 km/h | |
| 4 PM 11-09 | 15° | 0% | 0.0 mm | 48% | 7 km/h | |
| 5 PM 11-09 | 13° | 0% | 0.0 mm | 52% | 9 km/h | |
| 6 PM 11-09 | 12° | 0% | 0.0 mm | 59% | 12 km/h | |
| 7 PM 11-09 | 13° | 0% | 0.0 mm | 63% | 13 km/h |
Air quality in Decatur
25
US AQI — Good
PM2.5 5.4 µg/m³ · PM10 5.6 µg/m³ · O₃ 34 µg/m³
Frequently asked questions
What is the weather in Decatur today?
Clear sky, currently 4° (feels like 1°), with a high of 12° and a low of -1°. No rain expected in the next 24 hours.
What is the air quality in Decatur?
The air quality in Decatur is good (US AQI 25). PM2.5 is 5.4 µg/m³ and PM10 is 5.6 µg/m³.