Currently: 29 °F. Overcast. (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 | ||
| Sat Dec 6 |  | 28 / 20 °F | Light snow. Overcast. | 21 °F | 4 mph | ↑ | 89% | 20% | 0.32" | 0 (Low) | 7:08 am | 4:23 pm |
| Sun Dec 7 | | 27 / 6 °F | Light snow. Cloudy. | 11 °F | 12 mph | ↑ | 86% | 89% | 3.82" | 0 (Low) | 7:09 am | 4:23 pm |
| Mon Dec 8 |  | 23 / 5 °F | Cloudy. | 11 °F | 9 mph | ↑ | 89% | 0% | 0.00" | 0 (Low) | 7:10 am | 4:23 pm |
| Tue Dec 9 | | 39 / 11 °F | Overcast. | 22 °F | 13 mph | ↑ | 97% | 3% | 0.00" | 0 (Low) | 7:11 am | 4:23 pm |
| Wed Dec 10 | | 40 / 22 °F | Light snow. Overcast. | 19 °F | 16 mph | ↑ | 87% | 44% | 0.48" | 0 (Low) | 7:12 am | 4:23 pm |
| Thu Dec 11 | | 25 / 9 °F | Light snow early. Overcast. | 4 °F | 12 mph | ↑ | 78% | 22% | 0.43" | 0 (Low) | 7:12 am | 4:23 pm |
| Fri Dec 12 | | 17 / 8 °F | Cloudy. | 4 °F | 10 mph | ↑ | 74% | 0% | 0.00" | 0 (Low) | 7:13 am | 4:23 pm |
| Sat Dec 13 |  | 22 / 5 °F | Mostly cloudy. | 15 °F | 5 mph | ↑ | 75% | 5% | 0.00" | 0 (Low) | 7:14 am | 4:24 pm |
| Sun Dec 14 | | 28 / 18 °F | Mostly cloudy. | 19 °F | 10 mph | ↑ | 72% | 6% | 0.00" | 0 (Low) | 7:15 am | 4:24 pm |
| Mon Dec 15 | | 33 / 24 °F | Mostly cloudy. | 20 °F | 12 mph | ↑ | 83% | 6% | 0.00" | 0 (Low) | 7:15 am | 4:24 pm |
| Tue Dec 16 | | 30 / 20 °F | Overcast. | 19 °F | 8 mph | ↑ | 64% | 6% | 0.00" | 0 (Low) | 7:16 am | 4:24 pm |
| Wed Dec 17 |  | 29 / 17 °F | Sunny. | 21 °F | 6 mph | ↑ | 66% | 6% | 0.00" | 0 (Low) | 7:17 am | 4:25 pm |
| Thu Dec 18 | | 29 / 17 °F | Light snow late. Cloudy. | 18 °F | 12 mph | ↑ | 65% | 48% | 0.14" | 0 (Low) | 7:17 am | 4:25 pm |
| Fri Dec 19 |  | 36 / 18 °F | Icy mix. Overcast. | 26 °F | 15 mph | ↑ | 87% | 91% | 1.07" | 0 (Low) | 7:18 am | 4:26 pm |
| Sat Dec 20 |  | 37 / 34 °F | Rain early. Overcast. | 29 °F | 13 mph | ↑ | 75% | 64% | 0.26" | 0 (Low) | 7:19 am | 4:26 pm |
| * Updated Friday, December 5, 2025 9:24:06 pm DeKalb time - Weather by CustomWeather, © 2025 | ||||||||||||