Currently: 22 °F. Sunny. (Weather station: De Kalb Taylor Municipal Airport, USA). See more current weatherDeKalb Extended Forecast with high and low temperatures
2 Week Extended Forecast in DeKalb, Illinois, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Wed Jan 21 |  | 29 / 18 °F | Light snow. Overcast. | 16 °F | 14 mph | ↑ | 68% | 56% | 1.31" | 0 (Low) | 7:16 am | 4:56 pm |
| Thu Jan 22 |  | 25 / 3 °F | Cloudy. | 11 °F | 14 mph | ↑ | 61% | 22% | 0.07" | 0 (Low) | 7:16 am | 4:57 pm |
| Fri Jan 23 |  | 3 / -18 °F | Broken clouds. | -23 °F | 13 mph | ↑ | 56% | 0% | 0.00" | 0 (Low) | 7:15 am | 4:58 pm |
| Sat Jan 24 | | 4 / -14 °F | Overcast. | 2 °F | 3 mph | ↑ | 61% | 0% | 0.00" | 0 (Low) | 7:14 am | 4:59 pm |
| Sun Jan 25 | | 16 / 3 °F | Overcast. | 6 °F | 5 mph | ↑ | 64% | 0% | 0.00" | 0 (Low) | 7:13 am | 5:01 pm |
| Mon Jan 26 |  | 10 / 2 °F | Morning clouds. | -7 °F | 11 mph | ↑ | 58% | 0% | 0.00" | 0 (Low) | 7:13 am | 5:02 pm |
| Tue Jan 27 | | 31 / 4 °F | Sunny. | 18 °F | 17 mph | ↑ | 58% | 0% | 0.00" | 3 (Moderate) | 7:12 am | 5:03 pm |
| Wed Jan 28 | | 31 / 16 °F | Light snow late. Overcast. | 22 °F | 10 mph | ↑ | 60% | 56% | 1.11" | 0 (Low) | 7:11 am | 5:05 pm |
| Thu Jan 29 | | 24 / 17 °F | Broken clouds. | 8 °F | 16 mph | ↑ | 70% | 50% | 0.54" | 0 (Low) | 7:10 am | 5:06 pm |
| Fri Jan 30 | | 21 / 12 °F | Sunny. | 4 °F | 9 mph | ↑ | 65% | 5% | 0.00" | 3 (Moderate) | 7:09 am | 5:07 pm |
| Sat Jan 31 |  | 18 / 10 °F | Scattered clouds. | 5 °F | 11 mph | ↑ | 77% | 6% | 0.00" | 0 (Low) | 7:08 am | 5:08 pm |
| Sun Feb 1 | | 24 / 10 °F | Sunny. | 17 °F | 5 mph | ↑ | 76% | 4% | 0.00" | 3 (Moderate) | 7:07 am | 5:10 pm |
| Mon Feb 2 | | 26 / 12 °F | Mostly sunny. | 13 °F | 13 mph | ↑ | 44% | 5% | 0.00" | 3 (Moderate) | 7:06 am | 5:11 pm |
| Tue Feb 3 | | 26 / 14 °F | Mostly sunny. | 17 °F | 7 mph | ↑ | 62% | 6% | 0.00" | 3 (Moderate) | 7:05 am | 5:12 pm |
| Wed Feb 4 | | 28 / 15 °F | Sunny. | 23 °F | 4 mph | ↑ | 51% | 5% | 0.00" | 3 (Moderate) | 7:04 am | 5:14 pm |
| * Updated Wednesday, January 21, 2026 3:24:03 am DeKalb time - Weather by CustomWeather, © 2026 | ||||||||||||