State in Estados Unidos

Illinois Tempo Previsão

Illinois weather: 14°C, predominantemente limpo. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.

🌙 14°C now🕔 10:09 PM local📅 Best: agosto, setembro and outubro👥 12.6 million

Neve previsão para Illinois

No snow is in the current forecast window for Illinois.

0 of the next 16 nights are forecast a reach freezing.

Historically, average lows drop below freezing in janeiro, fevereiro and dezembro.

16-day previsão para Illinois

Máximas e mínimas diárias, precipitação e UV.

DiaCondiçõesMáx. / Mín.Precip.VentoUV
dom., out 25☁️ Encoberto25° / 7°0%9 km/h4
seg., out 26☁️ Encoberto25° / 9°3%9 km/h4
ter., out 27☁️ Encoberto24° / 10°2%16 km/h4
qua., out 28🌦️ Chuvisco fraco25° / 13°1% · 0 mm21 km/h4
qui., out 29🌦️ Chuvisco26° / 15°9% · 3 mm24 km/h4
sex., out 30🌦️ Chuvisco23° / 14°7% · 1 mm23 km/h4
sáb., out 31🌦️ Chuvisco fraco19° / 12°24% · 0 mm18 km/h2
dom., nov 1🌦️ Chuvisco20° / 13°32% · 4 mm13 km/h2
seg., nov 2🌦️ Chuvisco15° / 12°38% · 2 mm18 km/h2
ter., nov 3☁️ Encoberto19° / 9°34%12 km/h4
qua., nov 4☁️ Encoberto15° / 7°18%25 km/h3
qui., nov 5☁️ Encoberto12° / 4°14%19 km/h3
sex., nov 6☁️ Encoberto14° / 2°14%22 km/h3
sáb., nov 7🌦️ Chuvisco15° / 9°26% · 4 mm34 km/h1
dom., nov 8🌦️ Chuvisco15° / 5°12% · 3 mm31 km/h3
seg., nov 9☁️ Encoberto13° / 2°22%17 km/h3

Clima in Illinois month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfevmarabrmaijunjulagosetoutnovdezLine: average high · Bars: rainfall
MêsMáxima médiaMínima médiaPrecipitaçãoAvaliação
janeiro1°-7°62 mm★★☆☆☆
fevereiro8°-3°20 mm★★★☆☆
março15°4°90 mm★★★☆☆
abril19°9°135 mm★★★☆☆
mai24°13°100 mm★★★★☆
junho28°19°117 mm★★★★☆
julho29°21°129 mm★★★★☆
agosto29°19°75 mm★★★★☆
setembro28°17°33 mm★★★★★
outubro20°10°37 mm★★★★☆
novembro12°4°79 mm★★★☆☆
dezembro6°-2°62 mm★★☆☆☆

Clima type: Continenteal. Fonte: Open-Meteo archive (ERA5).

What a pack, what a skip

Pack for the next 7 days
  • dom.glasses, a brimmed hat and SPF 30+
  • Layers – the daily swing is 19°C, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid janeiro, fevereiro and dezembro – historically the least comfortable months here.

Ver a previsão de Illinois por período

Illinois weather – more answers

Explore Illinois

Every topic we hold for this place, and the same topic for the places around it.

Tempo for related places

Frequently asked questions

Where is Illinois?

Illinois is a state in Estados Unidos. Its coordinates are 39.7817, -89.6501. It lies in América do Norte.

What is the weather like in Illinois agora?

It is currently 14°C (57°F) com predominantemente limpo. Humidade is 71% and wind is 7 km/h.

When is the best time a visit Illinois?

agosto, setembro and outubro offer the most comfortable conditions in Illinois, which has a continental climate. janeiro, fevereiro and dezembro are usually the hardest months for outdoor plans.

What time zone is Illinois in?

Illinois observes America/Chicago (UTC-05:00). The hora local is 10:09 PM.

How many people live in Illinois?

Illinois has a population of approximately 12.6 million.

What is the nearest airport a Illinois?

The closest airports are O'Hare International Airport (ORD), 284 km away and Nashville International Airport (BNA), 483 km away.

What are the top things a do in Illinois?

Popular options include Starved Rock State Park, Lake Michigan, Gateway Arch National Park and Indiana Dunes National Park.

What places are in Illinois?

Illinois covers 4 places in this atlas, including Chicago, Starved Rock State Park, Cook County and Lake Michigan.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-states) – coordinates, hierarchy and facts.
Previsão and observationsOpen-Meteo (ECMWF and national models).
Qualidade do ar and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Tempo Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown.

Last updated outubro 25, 2026 at 10:09 PM hora local. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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