DeKalb Weather
4°
Clear sky
DeKalb, Illinois, United States
Feels like 0° · Local time 19:00
5° cooler than this time yesterday
Hour by hour
No rain expected in the next 24 hours.
Now
4°
💧0%
8 PM
3°
💧0%
9 PM
3°
💧0%
10 PM
2°
💧0%
11 PM
1°
💧0%
12 AM
1°
💧0%
1 AM
1°
💧0%
2 AM
0°
💧0%
3 AM
0°
💧0%
4 AM
0°
💧0%
5 AM
0°
💧0%
6 AM
0°
💧0%
7 AM
0°
💧0%
8 AM
1°
💧0%
9 AM
4°
💧0%
10 AM
6°
💧0%
11 AM
7°
💧0%
12 PM
7°
💧0%
1 PM
8°
💧0%
2 PM
8°
💧0%
3 PM
8°
💧0%
4 PM
7°
💧0%
5 PM
5°
💧0%
6 PM
4°
💧0%
Rain radar
Loading radar…
DeKalb 16-day weather forecast
Today
Overcast · 💧0%
1°8°
Saturday, Nov 7
Overcast · 💧0%
0°8°
Sunday, Nov 8
Fog · 💧0%
2°15°
Monday, Nov 9
Overcast · 💧0%
5°14°
Tuesday, Nov 10
Overcast · 💧0%
6°15°
Wednesday, Nov 11
Overcast · 💧4%
4°13°
Thursday, Nov 12
Overcast · 💧10%
0°6°
Friday, Nov 13
Overcast · 💧2%
-3°4°
Saturday, Nov 14
Mainly clear · 💧3%
-3°4°
Sunday, Nov 15
Overcast · 💧4%
-2°7°
Monday, Nov 16
Clear sky · 💧12%
1°13°
Tuesday, Nov 17
Overcast · 💧16%
6°14°
Wednesday, Nov 18
Overcast · 💧13%
5°11°
Thursday, Nov 19
Light drizzle · 💧32%
7°13°
Friday, Nov 20
Light rain · 💧32%
7°11°
Saturday, Nov 21
Snow · 💧14%
-1°7°
Today's details
- Feels like
- 0°
- Humidity
- 74%
- Dew point
- 0°
- Wind
- 10 km/h NW
- Gusts
- 24 km/h
- Pressure
- 1022 hPa · steady
- UV index now
- 0 · max 3
- Visibility
- 22 km
- Sunrise / sunset
- 06:33 / 16:42
- Moon
- Waning Crescent · 13% lit
Hour-by-hour detail — next 48 hours
| Time | Temp | Rain | Amount | Humidity | Wind | |
|---|---|---|---|---|---|---|
| Now | 4° | 0% | 0.0 mm | 74% | 10 km/h | |
| 8 PM | 3° | 0% | 0.0 mm | 73% | 9 km/h | |
| 9 PM | 3° | 0% | 0.0 mm | 73% | 8 km/h | |
| 10 PM | 2° | 0% | 0.0 mm | 83% | 7 km/h | |
| 11 PM | 1° | 0% | 0.0 mm | 85% | 8 km/h | |
| 12 AM 11-07 | 1° | 0% | 0.0 mm | 85% | 8 km/h | |
| 1 AM 11-07 | 1° | 0% | 0.0 mm | 84% | 8 km/h | |
| 2 AM 11-07 | 0° | 0% | 0.0 mm | 84% | 8 km/h | |
| 3 AM 11-07 | 0° | 0% | 0.0 mm | 84% | 8 km/h | |
| 4 AM 11-07 | 0° | 0% | 0.0 mm | 86% | 7 km/h | |
| 5 AM 11-07 | 0° | 0% | 0.0 mm | 87% | 7 km/h | |
| 6 AM 11-07 | 0° | 0% | 0.0 mm | 89% | 6 km/h | |
| 7 AM 11-07 | 0° | 0% | 0.0 mm | 90% | 6 km/h | |
| 8 AM 11-07 | 1° | 0% | 0.0 mm | 86% | 6 km/h | |
| 9 AM 11-07 | 4° | 0% | 0.0 mm | 76% | 7 km/h | |
| 10 AM 11-07 | 6° | 0% | 0.0 mm | 65% | 7 km/h | |
| 11 AM 11-07 | 7° | 0% | 0.0 mm | 59% | 9 km/h | |
| 12 PM 11-07 | 7° | 0% | 0.0 mm | 72% | 13 km/h | |
| 1 PM 11-07 | 8° | 0% | 0.0 mm | 69% | 13 km/h | |
| 2 PM 11-07 | 8° | 0% | 0.0 mm | 68% | 13 km/h | |
| 3 PM 11-07 | 8° | 0% | 0.0 mm | 68% | 13 km/h | |
| 4 PM 11-07 | 7° | 0% | 0.0 mm | 73% | 10 km/h | |
| 5 PM 11-07 | 5° | 0% | 0.0 mm | 83% | 8 km/h | |
| 6 PM 11-07 | 4° | 0% | 0.0 mm | 86% | 8 km/h | |
| 7 PM 11-07 | 3° | 0% | 0.0 mm | 89% | 9 km/h | |
| 8 PM 11-07 | 3° | 0% | 0.0 mm | 90% | 10 km/h | |
| 9 PM 11-07 | 3° | 0% | 0.0 mm | 92% | 12 km/h | |
| 10 PM 11-07 | 3° | 0% | 0.0 mm | 93% | 13 km/h | |
| 11 PM 11-07 | 3° | 0% | 0.0 mm | 93% | 15 km/h | |
| 12 AM 11-08 | 3° | 0% | 0.0 mm | 94% | 17 km/h | |
| 1 AM 11-08 | 3° | 0% | 0.0 mm | 95% | 18 km/h | |
| 2 AM 11-08 | 3° | 0% | 0.0 mm | 97% | 17 km/h | |
| 3 AM 11-08 | 2° | 0% | 0.0 mm | 100% | 17 km/h | |
| 4 AM 11-08 | 2° | 0% | 0.0 mm | 100% | 16 km/h | |
| 5 AM 11-08 | 3° | 0% | 0.0 mm | 100% | 17 km/h | |
| 6 AM 11-08 | 3° | 0% | 0.0 mm | 100% | 17 km/h | |
| 7 AM 11-08 | 3° | 0% | 0.0 mm | 100% | 17 km/h | |
| 8 AM 11-08 | 4° | 0% | 0.0 mm | 100% | 18 km/h | |
| 9 AM 11-08 | 4° | 0% | 0.0 mm | 99% | 19 km/h | |
| 10 AM 11-08 | 6° | 0% | 0.0 mm | 90% | 19 km/h | |
| 11 AM 11-08 | 9° | 0% | 0.0 mm | 79% | 21 km/h | |
| 12 PM 11-08 | 12° | 0% | 0.0 mm | 65% | 23 km/h | |
| 1 PM 11-08 | 15° | 0% | 0.0 mm | 48% | 25 km/h | |
| 2 PM 11-08 | 15° | 0% | 0.0 mm | 46% | 23 km/h | |
| 3 PM 11-08 | 15° | 0% | 0.0 mm | 47% | 22 km/h | |
| 4 PM 11-08 | 13° | 0% | 0.0 mm | 52% | 19 km/h | |
| 5 PM 11-08 | 10° | 0% | 0.0 mm | 62% | 14 km/h | |
| 6 PM 11-08 | 9° | 0% | 0.0 mm | 66% | 14 km/h |
Air quality in DeKalb
32
US AQI — Good
PM2.5 2.8 µg/m³ · PM10 2.8 µg/m³ · O₃ 47 µg/m³
DeKalb weather by month (2014–2023 averages)
| Month | Avg high | Avg low | Rainy days | Precipitation |
|---|---|---|---|---|
| January | -2° | -10° | 9 days | 53 mm |
| February | 0° | -10° | 8 days | 52 mm |
| March | 8° | -2° | 10 days | 74 mm |
| April | 14° | 3° | 13 days | 100 mm |
| May | 21° | 10° | 14 days | 135 mm |
| June | 26° | 16° | 12 days | 110 mm |
| July | 27° | 18° | 12 days | 111 mm |
| August | 27° | 17° | 12 days | 84 mm |
| September | 24° | 14° | 9 days | 86 mm |
| October | 16° | 7° | 11 days | 107 mm |
| November | 8° | -1° | 7 days | 56 mm |
| December | 3° | -4° | 8 days | 62 mm |
Frequently asked questions
What is the weather in DeKalb today?
Clear sky, currently 4° (feels like 0°), with a high of 8° and a low of 1°. No rain expected in the next 24 hours.
What is the air quality in DeKalb?
The air quality in DeKalb is good (US AQI 32). PM2.5 is 2.8 µg/m³ and PM10 is 2.8 µg/m³.
What is the best month to visit DeKalb?
July is typically the warmest month in DeKalb (average high 27°), while February is the driest month (about 52 mm of precipitation on average).
Does it rain a lot in DeKalb?
May is usually the wettest month in DeKalb, averaging 135 mm of precipitation over about 14 rainy days.