Aviston

Niobrara County, Illinois, United States

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Current Weather

22°

Humid and Clear

Feels Like: 24°

Min: 22°

Max: 35°

The next few hours will be humid and clear, with today reaching 35°C and dropping to 23°C. The coming days will be partly cloudy starting in the afternoon.

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Hourly Forecast

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Today
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Daylight Hours

06:47

Sunrise

18:56

Sunset

12 hours 9 minutes of sunlight today

Moon

Waxing Crescent

13:33

Moonrise

21:49

Moonset

Daily Forecast

Today

22°
35°

Friday

23°
34°

Saturday

23°
35°

Sunday

22°
33°

Monday

20°
29°

Tuesday

18°
27°

Wednesday

16°
27°

Thursday

17°
28°

Friday

16°
21°

Saturday

13°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

99% Very Humid
Low High

Weather in Aviston today, September 17, 2026

Sunshine leads the day in Aviston on September 17, 2026, with a patch of cloud building near 21:00. The broader outlook stays fair despite that temporary thickening. Morning skies stay relatively clear, holding cloud close to 8% near 03:00. The early part of the day favours being outside.

The temperature range runs from about 22°C up to 35°C. Relative humidity sits between 42% and 99%, reaching its peak around 02:00. A lighter breeze peaks around 11:00 near 3.7 km/h.

Expect a more open afternoon, with limited cloud around 29% by 21:00. Residual damp risk should be lower than earlier. Horizontal visibility sits around 15.2 km, briefly nearer 12.2 km. Sunrise is at 06:47 and sunset at 18:56, giving 12 hours 9 minutes of sunlight today.

Overall, Aviston on September 17, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 35°C.

Frequently asked questions about weather in Aviston

How warm does it get in Aviston?

The warmest month in Aviston is July, with average high temperatures of 32°C. The average temperature during this period is around 27°C.

How cold does it get in Aviston?

The coldest month in Aviston is January, with average low temperatures of -3°C. The average temperature during this period is around 1°C.

What is the wettest time of year in Aviston?

The wettest month in Aviston is May, with an average of 141mm of precipitation.

What is the driest time of year in Aviston?

The driest month in Aviston is November, with an average of 73mm of precipitation.

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Metric (°C, km/h)