Lyons

Platte County, Illinois, United States

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Current Weather

22°

Mostly Cloudy

Feels Like: 14°

Min: 15°

Max: 25°

The next few hours will be overcast, with today reaching 25°C and dropping to 12°C. The coming days will be hazy in the morning.

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Hourly Forecast

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Today

Daylight Hours

06:38

Sunrise

18:51

Sunset

12 hours 13 minutes of sunlight today

Moon

Waxing Crescent

12:38

Moonrise

20:53

Moonset

Daily Forecast

Today

15°
25°

Thursday

12°
19°

Friday

11°
19°

Saturday

16°

Sunday

18°

Monday

19°

Tuesday

20°

Wednesday

19°

Thursday

14°
21°

Friday

16°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

93% Very Humid
Low High

Weather in Lyons today, September 16, 2026

Lyons 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. Cloud leads the morning, peaking close to 100% near 01:00. Sunshine has little room until later in the day.

Expect highs of 25°C and cooler readings close to 15°C. Moisture in the air spans 41%-95%, with the highest values around 01:00. Airflow remains manageable, reaching about 5.0 km/h around 19:00.

Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 15.3 km, though it can fall to 12.6 km. Daylight runs from 06:38 to 18:51, lasting 12 hours 13 minutes of sunlight today.

Overall, Lyons on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 25°C.

Frequently asked questions about weather in Lyons

How warm does it get in Lyons?

The warmest month in Lyons is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.

How cold does it get in Lyons?

The coldest month in Lyons is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.

What is the wettest time of year in Lyons?

The wettest month in Lyons is May, with an average of 123mm of precipitation.

What is the driest time of year in Lyons?

The driest month in Lyons is February, with an average of 61mm of precipitation.

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Metric (°C, km/h)