Illinois Vrijeme Prognoza
Illinois weather: 19°C, djelomično oblačno. Po satu forecast, 14-day outlook, UV, air quality and the best time do visit.
Snijeg forecast for Illinois
No snow is in the current forecast window for Illinois.
0 of the next 16 nights are forecast do reach freezing.
Historically, average lows drop below freezing in siječanj, veljača and prosinac.
16-day forecast for Illinois
Maks. / Min.; Oborine; UV
| Dan | Uvjeti | Maks. / Min. | Oborine | Vjetar | UV |
|---|---|---|---|---|---|
| ned, lis 25 | ☁️ Oblačno | 25° / 7° | 0% | 8 km/h | 4 |
| pon, lis 26 | ☁️ Oblačno | 26° / 10° | 3% | 9 km/h | 4 |
| uto, lis 27 | ☁️ Oblačno | 23° / 11° | 2% | 18 km/h | 3 |
| sri, lis 28 | ☁️ Oblačno | 25° / 12° | 2% | 19 km/h | 4 |
| čet, lis 29 | 🌦️ Rosulja | 27° / 15° | 7% · 2 mm | 24 km/h | 4 |
| pet, lis 30 | ☁️ Oblačno | 22° / 12° | 6% | 18 km/h | 4 |
| sub, lis 31 | 🌦️ Light showers | 16° / 12° | 37% · 7 mm | 17 km/h | 1 |
| ned, stu 1 | 🌦️ Light drizzle | 19° / 13° | 41% · 0 mm | 11 km/h | 3 |
| pon, stu 2 | 🌦️ Light drizzle | 18° / 15° | 35% · 0 mm | 14 km/h | 1 |
| uto, stu 3 | ☁️ Oblačno | 20° / 11° | 36% | 18 km/h | 3 |
| sri, stu 4 | ☁️ Oblačno | 21° / 11° | 19% | 14 km/h | 3 |
| čet, stu 5 | 🌦️ Light drizzle | 19° / 13° | 20% · 0 mm | 11 km/h | 3 |
| pet, stu 6 | ☁️ Oblačno | 19° / 10° | 13% | 9 km/h | 3 |
| sub, stu 7 | 🌦️ Rosulja | 21° / 12° | 26% · 2 mm | 23 km/h | 3 |
| ned, stu 8 | ☁️ Oblačno | 18° / 10° | 18% | 23 km/h | 3 |
| pon, stu 9 | 🌦️ Light drizzle | 12° / 6° | 13% · 0 mm | 36 km/h | 3 |
Klima in Illinois month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mjesec | Avg high | Avg low | Kišafall | Rating |
|---|---|---|---|---|
| siječanj | 1° | -7° | 62 mm | ★★☆☆☆ |
| veljača | 8° | -3° | 20 mm | ★★★☆☆ |
| ožujak | 15° | 4° | 90 mm | ★★★☆☆ |
| travanj | 19° | 9° | 135 mm | ★★★☆☆ |
| svi | 24° | 13° | 100 mm | ★★★★☆ |
| lipanj | 28° | 19° | 117 mm | ★★★★☆ |
| srpanj | 29° | 21° | 129 mm | ★★★★☆ |
| kolovoz | 29° | 19° | 75 mm | ★★★★☆ |
| rujan | 28° | 17° | 33 mm | ★★★★★ |
| listopad | 20° | 10° | 37 mm | ★★★★☆ |
| studeni | 12° | 4° | 79 mm | ★★★☆☆ |
| prosinac | 6° | -2° | 62 mm | ★★☆☆☆ |
Klima type: Kontinental. Izvor: Open-Meteo archive (ERA5).
What do pack, what do skip
- nedglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 20°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid siječanj, veljača and prosinac - historically the least comfortable months here.
Pogledajte prognozu za Illinois po vremenskom razdoblju
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
Vrijeme for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in Sjedinjene Američke Države. Its coordinates are 39.7817, -89.6501. It lies in Sjeverna Amerika.
What is the weather like in Illinois sada?
It is currently 19°C (65°F) uz djelomično oblačno. Vlažnost is 44% and wind is 8 km/h.
When is the best time do visit Illinois?
kolovoz, rujan and listopad offer the most comfortable conditions in Illinois, which has a continental climate. siječanj, veljača and prosinac 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 7:12 PM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport do 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 do 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 data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Prognoza and observations | Open-Meteo (ECMWF and national models). |
| Kvaliteta zraka and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vrijeme Service. |
| Method | Scores, 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 listopad 25, 2026 at 7:12 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
