State in Съединени щати

Illinois Време Прогноза

Illinois weather: 16°C, Ясно. Почасово forecast, 14-day outlook, UV, air quality and the best time до visit.

🌙 16°C now🕔 8:47 PM local📅 Best: август, септември and октомври👥 12.6 million

14-day forecast for Illinois

Макс. / Мин.; Валежи; UV

ДенУсловияМакс. / Мин.ВалежиВятърUV
пон, окт 26☁️ Облачно25° / 8°1%8 km/h4
вт, окт 27☁️ Облачно23° / 10°2%18 km/h3
ср, окт 28☁️ Облачно25° / 14°4%18 km/h3
чет, окт 29🌧️ Heavy drizzle27° / 16°7% · 3 mm22 km/h4
пет, окт 30🌦️ Light showers24° / 15°11% · 4 mm19 km/h4
съб, окт 31🌦️ Слаб дъжд19° / 16°36% · 3 mm20 km/h1
нед, ное 1🌦️ Слаб дъжд20° / 14°36% · 6 mm19 km/h2
пон, ное 2🌦️ Light showers18° / 12°44% · 3 mm27 km/h2
вт, ное 3🌦️ Light showers19° / 16°40% · 16 mm30 km/h1
ср, ное 4🌧️ Превалявания16° / 9°28% · 36 mm33 km/h3
чет, ное 5🌨️ Light snow9° / 2°13% · 1 mm39 km/h1
пет, ное 6☁️ Облачно4° / -0°11%33 km/h2
съб, ное 7☁️ Облачно7° / -1°10%21 km/h3
нед, ное 8☁️ Облачно12° / -0°19%26 km/h3

The two-week trend

Temperature trend

Cooling. The second half of the window averages 11°C cooler than the days immediately ahead.

Against the normal

The window averages 17°C against a октомври normal of 20°C - 3°C below.

Дъждfall

Дъждfall over the next 7 days is close до normal for октомври (16 mm against a typical 9 mm).

What this means for Illinois

Compared с normal

Today is warmer than average for октомври. The forecast high of 25°C is 4.8°C above the 20°C typical for this month.

Дъжд chance explained

Дъжд is very unlikely today - plans do not need a backup.

Пътуване and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in юни до август.

Worth knowing

The gap between the warmest and coldest month averages 29°C.

What до pack, what до skip

Pack for the next 7 days
  • недglasses, a brimmed hat and SPF 30+
  • Layers - the daily swing is 18°C, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid януари, февруари and декември - historically the least comfortable months here.

Вижте прогнозата за Illinois по период

Illinois weather - more answers

Explore Illinois

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

Време for related places

Frequently asked questions

Where is Illinois?

Illinois is a state in Съединени щати. Its coordinates are 39.7817, -89.6501. It lies in Северна Америка.

What is the weather like in Illinois в момента?

It is currently 16°C (61°F) с Ясно. Влажност is 56% and wind is 6 km/h.

When is the best time до visit Illinois?

август, септември and октомври offer the most comfortable conditions in Illinois, which has a continental climate. януари, февруари and декември are usually the hardest months for outdoor plans.

What time zone is Illinois in?

Illinois observes America/Chicago (UTC-05:00). The local time is 8:47 PM.

How many people live in Illinois?

Illinois has a population of approximately 12.6 million.

What is the nearest airport до 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 до 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.
Прогноза and observationsOpen-Meteo (ECMWF and national models).
Качество на въздуха and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Климат averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Време 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 октомври 26, 2026 at 8:47 PM local time. 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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