Chicago, IL 14-Day Forecast
Illinois, United States 🇺🇸
The 14-day forecast for Chicago is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Chicago 14-day outlook: the story
The best time to visit Chicago is generally May to October, when these are the warmest and brightest weeks of the year. Daytime temperatures in that window sit near 73°F (23°C), with rain on about 12 days a month. For the same question asked the other way round, see where else is warm in May.
For typical conditions month by month, see the Chicago climate & average temperatures guide.
Average temperatures in Chicago by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 32° | 20° | 10 | 2.6 in | 4.9 h/day | 9.5 h | 34% | 76% |
| February | 36° | 20° | 9 | 2.4 in | 6.8 h/day | 10.5 h | 32% | 73% |
| March | 45° | 31° | 11 | 3.5 in | 7.9 h/day | 11.8 h | 36% | 74% |
| April | 54° | 39° | 14 | 4.2 in | 8.8 h/day | 13.3 h | 47% | 73% |
| May | 66° | 50° | 13 | 5.3 in | 10.1 h/day | 14.5 h | 41% | 76% |
| June | 77° | 61° | 12 | 4.5 in | 11.6 h/day | 15.2 h | 40% | 73% |
| July | 80° | 67° | 12 | 6.0 in | 11.8 h/day | 14.9 h | 39% | 77% |
| August | 80° | 66° | 12 | 4.2 in | 11.5 h/day | 13.8 h | 38% | 76% |
| September | 75° | 62° | 10 | 3.8 in | 9.6 h/day | 12.4 h | 33% | 74% |
| October | 62° | 49° | 12 | 4.8 in | 7.5 h/day | 11.0 h | 38% | 72% |
| November | 48° | 36° | 8 | 2.5 in | 6.0 h/day | 9.8 h | 26% | 73% |
| December | 39° | 28° | 9 | 2.6 in | 5.0 h/day | 9.1 h | 28% | 75% |
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