Downers Grove

Washakie County, Illinois, United States

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Current Weather

20°

Overcast

Feels Like: 21°

Min: 18°

Max: 22°

The next few hours will be overcast, with today reaching 22°C and dropping to 18°C. The coming days will be drizzle

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

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Today
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Daylight Hours

06:39

Sunrise

18:52

Sunset

12 hours 13 minutes of sunlight today

Moon

Waxing Crescent

12:38

Moonrise

20:54

Moonset

Daily Forecast

Today

18°
22°

Thursday

18°
25°

Friday

19°
24°

Saturday

19°
26°

Sunday

19°
21°

Monday

17°
21°

Tuesday

16°
22°

Wednesday

16°
23°

Thursday

17°
24°

Friday

14°
24°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

74% Humid
Low High

Weather in Downers Grove today, September 16, 2026

Cloud cover dominates in Downers Grove 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 09:00. Outdoor plans early on should not rely on bright skies.

Temperatures climb from an overnight low near 18°C toward a daytime high of about 22°C. Expect humidity between 72% and 93%, most humid near 23:00. Expect gentle winds, highest near 19:00 at 3.7 km/h.

Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 14.9 km, though it can fall to 7.8 km. Daylight runs from 06:39 to 18:52, lasting 12 hours 13 minutes of sunlight today.

In short, cloud leads the story in Downers Grove on September 16, 2026; expect limited sun and a peak around 22°C.

Frequently asked questions about weather in Downers Grove

How warm does it get in Downers Grove?

The warmest month in Downers Grove is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.

How cold does it get in Downers Grove?

The coldest month in Downers Grove 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 Downers Grove?

The wettest month in Downers Grove is May, with an average of 124mm of precipitation.

What is the driest time of year in Downers Grove?

The driest month in Downers Grove is November, with an average of 55mm of precipitation.

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Metric (°C, km/h)