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Hourly Forecast
Daylight Hours
06:39
Sunrise
18:52
Sunset
Moon
Waxing Crescent
12:39
Moonrise
20:53
Moonset
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Weather in Des Plaines today, September 16, 2026
Des Plaines stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 100% around 05:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 16°C toward a daytime high of about 22°C. Relative humidity sits between 56% and 95%, reaching its peak around 20:00. Airflow remains manageable, reaching about 3.8 km/h around 07:00.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 13.7 km on average, though it can drop toward 4.9 km in thicker cloud or showers. The sun rises at 06:39 and sets at 18:52, for a total of 12 hours 13 minutes of sunlight today.
The practical takeaway for Des Plaines on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 22°C.
Frequently asked questions about weather in Des Plaines
How warm does it get in Des Plaines?
The warmest month in Des Plaines is July, with average high temperatures of 28°C. The average temperature during this period is around 24°C.
How cold does it get in Des Plaines?
The coldest month in Des Plaines is January, with average low temperatures of -6°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Des Plaines?
The wettest month in Des Plaines is May, with an average of 126mm of precipitation.
What is the driest time of year in Des Plaines?
The driest month in Des Plaines is February, with an average of 51mm of precipitation.
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