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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Morning Times weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Chicago will see a mix of sun and showers today, with temperatures near the seasonal average. The live forecast above shows conditions changing through the week, so check before heading out.
What is the weather in Chicago over the next 10 days?
The weather in Chicago 10 days ahead suggests a pattern of mild days and cooler nights, with occasional rain. Highs will range from the low 20s Celsius (low 70s Fahrenheit) to the mid-teens Celsius (low 60s Fahrenheit), typical for late spring. The 10 Day Weather Forecast UK provides a useful comparison, but Chicago’s inland location makes its swings more pronounced.
What is the weather in Chicago tomorrow and this year?
The weather in Chicago tomorrow looks mainly dry but breezy, with a slight chance of a passing shower. For the weather in Chicago year, winters are cold and snowy, summers hot and humid. Spring and autumn are short transitional seasons. The UK weather hub is a good starting point, and for regional UK contrasts see Birmingham Weather.
Will it be cold in Chicago tonight?
No, tonight should be mild, around 12 °C (54 °F). A light jacket might be needed if you are out late, but no heavy coat is required. This is typical for May in Chicago.
Why do Americans use Fahrenheit for Chicago weather?
Fahrenheit is the official scale in the US. For quick conversion: 20 °C = 68 °F, 25 °C = 77 °F. The live forecast above gives both scales; we use Celsius here but include Fahrenheit for clarity.
Is there a Chicago weather 20-day forecast that is reliable?
No, forecasts beyond 10 days have low accuracy. The Chicago weather 20 day forecast you may see online is uncertain. Stick with the 7–10 day outlook for planning, and always check the live forecast above on the day.