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Hourly Forecast
Daylight Hours
06:38
Sunrise
18:54
Sunset
Moon
Waxing Crescent
11:35
Moonrise
20:23
Moonset
Daily Forecast
Tuesday
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Mundelein tomorrow, September 16, 2026
Cloud cover dominates in Mundelein on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 00:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 24°C and cools toward 16°C. The air stays humid, with relative humidity between 32% and 88% and the peak around 00:00. Winds stay light, near 4.2 km/h by 02:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 16.0 km, briefly nearer 15.0 km. Sunrise is at 06:39 and sunset at 18:52, giving 12 hours 13 minutes of sunlight today.
The practical takeaway for Mundelein on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 24°C.
Frequently asked questions about weather in Mundelein
How warm does it get in Mundelein?
The warmest month in Mundelein is July, with average high temperatures of 27°C. The average temperature during this period is around 23°C.
How cold does it get in Mundelein?
The coldest month in Mundelein is January, with average low temperatures of -6°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Mundelein?
The wettest month in Mundelein is May, with an average of 122mm of precipitation.
What is the driest time of year in Mundelein?
The driest month in Mundelein is February, with an average of 55mm of precipitation.
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