Chicago forecast for Wednesday: clear skies and a high near 68°F
Chicago can expect clear skies on Wednesday, October 21, with temperatures reaching 68°F (20°C) and dropping to around 46°F (8°C).

Key points
- Clear skies
- High 68°F, low 46°F
- Mostly dry
Chicago can expect clear skies on Wednesday, October 21, with temperatures reaching 68°F (20°C) and dropping to around 46°F (8°C).
No meaningful rainfall is in the forecast. Winds peak at around 6 mph, and average humidity is near 69%.
At a glance
| | Today | Tomorrow | |---|---|---| | Conditions | clear skies | clear skies | | High | 68°F (20°C) | 66°F (19°C) | | Low | 46°F (8°C) | 51°F (11°C) | | Rain | 0 mm | 0 mm | | Peak wind | 6 mph | 7 mph |
Thursday looks like clear skies, peaking near 66°F (19°C).
Forecast data: MET Norway (Norwegian Meteorological Institute), CC BY 4.0. Forecasts change through the day; this report was generated automatically from the forecast issued Wed, 21 Oct 2026 09:17:39 GMT.
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