Illinois Hava durumu Tahmin
Illinois weather: 24°C, kapalı. Saatlik forecast, 14-day outlook, UV, air quality and the best time ile visit.
Illinois weather in Şubat
A workable month, ve trade-offs.
Şubat runs 11°C cooler than the annual average in Illinois.
Hava durumu map for Illinois
Animated model layers. Pick a layer ile load it.
Animated layers by Rüzgâry. For pin-level detail and nearby places, see the interactive map below.
İklim in Illinois month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Ay | Avg high | Avg low | Yağmurfall | Rating |
|---|---|---|---|---|
| Ocak | 1° | -7° | 62 mm | ★★☆☆☆ |
| Şubat | 8° | -3° | 20 mm | ★★★☆☆ |
| Mart | 15° | 4° | 90 mm | ★★★☆☆ |
| Nisan | 19° | 9° | 135 mm | ★★★☆☆ |
| May | 24° | 13° | 100 mm | ★★★★☆ |
| Haziran | 28° | 19° | 117 mm | ★★★★☆ |
| Temmuz | 29° | 21° | 129 mm | ★★★★☆ |
| Ağustos | 29° | 19° | 75 mm | ★★★★☆ |
| Eylül | 28° | 17° | 33 mm | ★★★★★ |
| Ekim | 20° | 10° | 37 mm | ★★★★☆ |
| Kasım | 12° | 4° | 79 mm | ★★★☆☆ |
| Aralık | 6° | -2° | 62 mm | ★★☆☆☆ |
İklim type: Kıtaal. Kaynak: Open-Meteo archive (ERA5).
Ziyaret için en iyi zaman Illinois
Go in Ağustos, Eylül and Ekim. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Ocak, Şubat and Aralık - expect the least comfortable mix of heat, cold or rain.
What ile pack, what ile skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Pazglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 26°C, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 51 km/h.
- If your dates are flexible, avoid Ocak, Şubat and Aralık - historically the least comfortable months here.
How Illinois compares ve nearby places
Annual averages, and the difference against Illinois.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Gateway Arch National Park | 137 km | 15°C | +1°C warmer | 1156 mm |
| St. Louis | 137 km | 15°C | +1°C warmer | 1156 mm |
| Missouri | 255 km | 15°C | +1°C warmer | 1006 mm |
| Indianapolis | 298 km | 13°C | 1°C cooler | 1135 mm |
| Indiana | 298 km | 13°C | 1°C cooler | 1135 mm |
Şunun tahminini görün: Illinois zaman aralığına göre
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
Hava durumu for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in Amerika Birleşik Devletleri. Its coordinates are 39.7817, -89.6501. It lies in Kuzey Amerika.
What is the weather like in Illinois şu anda?
It is currently 24°C (75°F) ve kapalı. Nem is 52% and wind is 10 km/h.
When is the best time ile visit Illinois?
Ağustos, Eylül and Ekim offer the most comfortable conditions in Illinois, which has a continental climate. Ocak, Şubat and Aralık 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 3:05 PM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport ile 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 ile 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. |
|---|---|
| Tahmin and observations | Open-Meteo (ECMWF and national models). |
| Hava kalitesi and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| İklim averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Hava durumu 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 Ekim 1, 2026 at 3:05 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
