Clinton

Weston County, Iowa, United States

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Current Weather

23°

Overcast

Feels Like: 17°

Min: 19°

Max: 26°

The next few hours will be overcast, with today reaching 26°C and dropping to 11°C. The coming days will be drizzle

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Hourly Forecast

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Daylight Hours

06:47

Sunrise

19:03

Sunset

12 hours 15 minutes of sunlight today

Moon

Waxing Crescent

11:43

Moonrise

20:33

Moonset

Daily Forecast

Today

19°
26°

Wednesday

10°
22°

Thursday

12°
18°

Friday

11°
20°

Saturday

19°

Sunday

19°

Monday

20°

Tuesday

21°

Wednesday

22°

Thursday

14°
21°

Air Quality Data Available

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UV Index

No protection needed
2 Low
Low Extreme

Humidity

91% Very Humid
Low High

Weather in Clinton today, September 15, 2026

Clinton stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 100% around 10:00. Grey conditions set the early tone before any later change.

Expect highs of 26°C and cooler readings close to 19°C. Relative humidity sits between 78% and 94%, reaching its peak around 10:00. A lighter breeze peaks around 14:00 near 4.1 km/h.

Afternoon skies stay clogged, peaking close to 100% near 13:00. The grey theme continues rather than clearing out. Visibility holds near 15.6 km, though it can fall to 12.3 km. Expect sunrise at 06:47, sunset at 19:03, and 12 hours 15 minutes of sunlight today overall.

Overall, Clinton on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 26°C.

Frequently asked questions about weather in Clinton

How warm does it get in Clinton?

The warmest month in Clinton is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.

How cold does it get in Clinton?

The coldest month in Clinton is January, with average low temperatures of -8°C. The average temperature during this period is around -5°C.

What is the wettest time of year in Clinton?

The wettest month in Clinton is May, with an average of 126mm of precipitation.

What is the driest time of year in Clinton?

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

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Metric (°C, km/h)