Buffalo Grove

Platte County, Illinois, United States

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Current Weather

18°

Overcast

Feels Like: 19°

Min: 17°

Max: 24°

The next few hours will be overcast, with today reaching 24°C and dropping to 18°C. The coming days will be mostly cloudy throughout the day.

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Hourly Forecast

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8am
9am
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6pm
7pm
8pm
9pm
10pm
11pm
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Today
Tomorrow

Daylight Hours

06:39

Sunrise

18:52

Sunset

12 hours 13 minutes of sunlight today

Moon

Waxing Crescent

12:40

Moonrise

20:53

Moonset

Daily Forecast

Today

17°
24°

Thursday

19°
23°

Friday

18°
22°

Saturday

18°
25°

Sunday

18°
20°

Monday

16°
20°

Tuesday

15°
21°

Wednesday

15°
23°

Thursday

14°
20°

Friday

16°
20°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

85% Humid
Low High

Weather in Buffalo Grove today, September 16, 2026

Cloud cover dominates in Buffalo Grove on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Cloud leads the morning, peaking close to 100% near 07:00. Sunshine has little room until later in the day.

The temperature range runs from about 17°C up to 24°C. Moisture in the air spans 58%-86%, with the highest values around 07:00. Expect gentle winds, highest near 15:00 at 4.0 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 16.0 km, with poorer spells close to 15.0 km. Sunrise is at 06:39 and sunset at 18:52, giving 12 hours 13 minutes of sunlight today.

Taken together, overcast skies in Buffalo Grove on September 16, 2026 favour indoor or covered options, with temperatures near 24°C.

Frequently asked questions about weather in Buffalo Grove

How warm does it get in Buffalo Grove?

The warmest month in Buffalo Grove 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 Buffalo Grove?

The coldest month in Buffalo 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 Buffalo Grove?

The wettest month in Buffalo Grove is May, with an average of 122mm of precipitation.

What is the driest time of year in Buffalo Grove?

The driest month in Buffalo Grove is February, with an average of 55mm of precipitation.

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Metric (°C, km/h)