Quincy

Hawaii County, Illinois, United States

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Current Weather

22°

Humid and Overcast

Feels Like: 21°

Min: 21°

Max: 28°

The next few hours will be humid and overcast, with today reaching 28°C and dropping to 22°C. The coming days will be mostly clear starting in the afternoon.

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Hourly Forecast

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Today
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Daylight Hours

06:53

Sunrise

19:05

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:45

Moonrise

21:14

Moonset

Daily Forecast

Today

21°
28°

Thursday

22°
29°

Friday

22°
32°

Saturday

23°
32°

Sunday

21°
26°

Monday

18°
23°

Tuesday

16°
23°

Wednesday

16°
24°

Thursday

16°
25°

Friday

18°
23°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

95% Very Humid
Low High

Weather in Quincy today, September 16, 2026

Cloud cover dominates in Quincy 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 07:00. Outdoor plans early on should not rely on bright skies.

Expect highs of 28°C and cooler readings close to 21°C. The air stays humid, with relative humidity between 70% and 96% and the peak around 07:00. A lighter breeze peaks around 07:00 near 5.2 km/h.

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 13.8 km, briefly nearer 1.7 km. Sunrise is at 06:53 and sunset at 19:05, giving 12 hours 12 minutes of sunlight today.

The practical takeaway for Quincy on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 28°C.

Frequently asked questions about weather in Quincy

How warm does it get in Quincy?

The warmest month in Quincy is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.

How cold does it get in Quincy?

The coldest month in Quincy 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 Quincy?

The wettest month in Quincy is May, with an average of 125mm of precipitation.

What is the driest time of year in Quincy?

The driest month in Quincy is February, with an average of 49mm of precipitation.

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Metric (°C, km/h)