Crestwood

Platte County, Illinois, United States

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Current Weather

21°

Overcast

Feels Like: 16°

Min: 11°

Max: 24°

The next few hours will be clear, with tomorrow reaching 25°C and dropping to 11°C. The coming days will be mostly clear until afternoon, returning in the evening.

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Hourly Forecast

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Today
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Daylight Hours

06:36

Sunrise

18:55

Sunset

12 hours 18 minutes of sunlight today

Moon

Waxing Crescent

10:25

Moonrise

19:58

Moonset

Daily Forecast

Monday

11°
24°

Today

13°
25°

Wednesday

11°
19°

Thursday

12°
19°

Friday

11°
19°

Saturday

17°

Sunday

18°

Monday

19°

Tuesday

18°

Wednesday

14°
19°

Air Quality Data Available

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Weather in Crestwood tomorrow, September 15, 2026

Crestwood starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a grey start, with morning cloud around 100% by 01:00. Outdoor plans early on should not rely on bright skies.

The temperature range runs from about 13°C up to 25°C. Expect humidity between 31% and 80%, most humid near 11:00. Airflow remains manageable, reaching about 10.2 km/h around 16:00.

The afternoon keeps an overcast feel, as cloud reaches about 75% around 14:00. Outdoor plans may still want a flexible backup. Views remain open at about 16.1 km. Sunrise is at 06:37 and sunset at 18:53, giving 12 hours 15 minutes of sunlight today.

Taken together, settled sunshine in Crestwood on September 15, 2026 makes outdoor timing easier, with highs near 25°C.

Frequently asked questions about weather in Crestwood

How warm does it get in Crestwood?

The warmest month in Crestwood 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 Crestwood?

The coldest month in Crestwood 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 Crestwood?

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

What is the driest time of year in Crestwood?

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

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