Chatham

Stanton County, Illinois, United States

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Current Weather

23°

Drizzle and Humid

Feels Like: 22°

Min: 22°

Max: 32°

The next few hours will be overcast, with today reaching 32°C and dropping to 23°C. The coming days will be partly cloudy throughout the day.

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

Hourly Forecast

23° 23° 22° 23° 24° 26° 27° 29° 31° 31° 32° 32° 32° 30° 28° 27° 26° 25° 25° 24° 24° 23° 23° 23°
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6am
7am
8am
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12pm
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4pm
5pm
6pm
7pm
8pm
9pm
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Today
Tomorrow

Daylight Hours

06:46

Sunrise

18:58

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:37

Moonrise

21:08

Moonset

Daily Forecast

Today

22°
32°

Thursday

22°
31°

Friday

21°
31°

Saturday

22°
33°

Sunday

21°
29°

Monday

19°
26°

Tuesday

17°
25°

Wednesday

16°
26°

Thursday

16°
25°

Friday

17°
22°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

96% Very Humid
Low High

Weather in Chatham today, September 16, 2026

Chatham 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 first half of the day looks overcast, as cloud amounts reach about 100% around 05:00. Brighter weather, if it comes, waits until later.

Expect highs of 32°C and cooler readings close to 22°C. Expect humidity between 52% and 97%, most humid near 05:00. Winds stay light, near 5.3 km/h by 06:00, so the day feels still more than breezy.

Expect persistent cloud later on, with amounts around 95% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.2 km on average, though it can drop toward 12.2 km in thicker cloud or showers. Expect sunrise at 06:46, sunset at 18:58, and 12 hours 12 minutes of sunlight today overall.

Taken together, overcast skies in Chatham on September 16, 2026 favour indoor or covered options, with temperatures near 32°C.

Frequently asked questions about weather in Chatham

How warm does it get in Chatham?

The warmest month in Chatham is July, with average high temperatures of 30°C. The average temperature during this period is around 25°C.

How cold does it get in Chatham?

The coldest month in Chatham is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.

What is the wettest time of year in Chatham?

The wettest month in Chatham is July, with an average of 141mm of precipitation.

What is the driest time of year in Chatham?

The driest month in Chatham is December, with an average of 54mm of precipitation.

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Metric (°C, km/h)