See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
18°
Overcast
Feels Like: 9°
Min: 16°
Max: 22°
The next few hours will be overcast, with today reaching 22°C and dropping to 11°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:52
Sunset
Moon
Waxing Crescent
12:39
Moonrise
20:53
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
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UV Index
Humidity
Weather in Arlington Heights today, September 16, 2026
Arlington Heights looks cloudy on September 16, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning sky stays heavily clouded, with cover near 100% around 05:00. Grey conditions set the early tone before any later change.
Expect highs of 22°C and cooler readings close to 16°C. Expect humidity between 57% and 95%, most humid near 07:00. A lighter breeze peaks around 17:00 near 4.1 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 14.5 km, with poorer spells close to 7.7 km. Sunrise is at 06:39 and sunset at 18:52, giving 12 hours 13 minutes of sunlight today.
Overall, Arlington Heights on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 22°C.
Frequently asked questions about weather in Arlington Heights
How warm does it get in Arlington Heights?
The warmest month in Arlington Heights 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 Arlington Heights?
The coldest month in Arlington Heights 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 Arlington Heights?
The wettest month in Arlington Heights is May, with an average of 126mm of precipitation.
What is the driest time of year in Arlington Heights?
The driest month in Arlington Heights is February, with an average of 51mm of precipitation.
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