Norwalk

Sherman County, Iowa, United States

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Current Weather

16°

Overcast

Feels Like: 11°

Min: 15°

Max: 23°

The next few hours will be overcast, with today reaching 21°C and dropping to 15°C. The coming days will be mostly clear throughout the day.

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

Hourly Forecast

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Today
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Daylight Hours

07:02

Sunrise

19:15

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

13:01

Moonrise

21:18

Moonset

Daily Forecast

Today

15°
23°

Thursday

15°
22°

Friday

14°
27°

Saturday

13°
24°

Sunday

11°
23°

Monday

10°
23°

Tuesday

10°
24°

Wednesday

10°
24°

Thursday

13°
23°

Friday

18°
23°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

90% Humid
Low High

Weather in Norwalk today, September 16, 2026

Norwalk stays under cloudy skies on September 16, 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 03:00. Grey conditions set the early tone before any later change.

Expect highs of 23°C and cooler readings close to 15°C. Moisture in the air spans 54%-95%, with the highest values around 19:00. Winds stay light, near 3.9 km/h by 21:00, so the day feels still more than breezy.

Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.1 km on average, though it can drop toward 12.6 km in thicker cloud or showers. Daylight runs from 07:02 to 19:15, lasting 12 hours 12 minutes of sunlight today.

Taken together, overcast skies in Norwalk on September 16, 2026 favour indoor or covered options, with temperatures near 23°C.

Frequently asked questions about weather in Norwalk

How warm does it get in Norwalk?

The warmest month in Norwalk 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 Norwalk?

The coldest month in Norwalk is January, with average low temperatures of -9°C. The average temperature during this period is around -5°C.

What is the wettest time of year in Norwalk?

The wettest month in Norwalk is May, with an average of 149mm of precipitation.

What is the driest time of year in Norwalk?

The driest month in Norwalk is February, with an average of 32mm of precipitation.

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