Illinois 天氣 預報
Illinois weather: 18°C, 晴朗. 逐小時 forecast, 14-day outlook, UV, air quality and the best time至visit.
7-day forecast for Illinois
最高 / 最低; 降雨; UV
| 日期 | 天氣狀況 | 最高 / 最低 | 降雨 | 風 | UV |
|---|---|---|---|---|---|
| 週五, 十月 23 | 🌤️ 大致晴朗 | 24° / 7° | 0% | 10 km/h | 4 |
| 週六, 十月 24 | ☁️ 陰天 | 24° / 9° | 2% | 11 km/h | 4 |
| 週日, 十月 25 | ☁️ 陰天 | 24° / 10° | 2% | 10 km/h | 4 |
| 週一, 十月 26 | ☁️ 陰天 | 24° / 14° | 0% | 9 km/h | 4 |
| 週二, 十月 27 | ☁️ 陰天 | 23° / 14° | 1% | 14 km/h | 3 |
| 週三, 十月 28 | ☁️ 陰天 | 25° / 13° | 2% | 21 km/h | 4 |
| 週四, 十月 29 | ☁️ 陰天 | 27° / 15° | 6% | 19 km/h | 4 |
Weekend outlook
☁️ 24° / 9°
陰天 · 2% rain · wind 11 km/h
☁️ 24° / 10°
陰天 · 2% rain · wind 10 km/h
Is today a good day至visit?
Activity scores from 0至10 based on temperature, rain, wind, sun and visibility.
What至pack, what至skip
- 週日glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 19°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
查看 Illinois 的分時預報
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
天氣 for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in 美國. Its coordinates are 39.7817, -89.6501. It lies in 北美洲.
What is the weather like in Illinois現在?
It is currently 18°C (64°F)，天氣為晴朗. 濕度 is 39% and wind is 8 km/h.
When is the best time至visit Illinois?
八月, 九月 and 十月 offer the most comfortable conditions in Illinois, which has a continental climate. 一月, 二月 and 十二月 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 10:00 AM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport至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至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. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 十月 25, 2026 at 10:00 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
