Illinois 天气 预报
Illinois weather: 16°C, 晴. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.
14-day forecast for Illinois
最高 / 最低; 降水; UV
| 日期 | 天气状况 | 最高 / 最低 | 降水 | 风 | UV |
|---|---|---|---|---|---|
| 周一, 十月 26 | ☁️ 阴天 | 25° / 8° | 1% | 8 km/h | 4 |
| 周二, 十月 27 | ☁️ 阴天 | 23° / 10° | 2% | 18 km/h | 3 |
| 周三, 十月 28 | ☁️ 阴天 | 25° / 14° | 4% | 18 km/h | 3 |
| 周四, 十月 29 | 🌧️ Heavy drizzle | 27° / 16° | 7% · 3 mm | 22 km/h | 4 |
| 周五, 十月 30 | 🌦️ Light showers | 24° / 15° | 11% · 4 mm | 19 km/h | 4 |
| 周六, 十月 31 | 🌦️ 小雨 | 19° / 16° | 36% · 3 mm | 20 km/h | 1 |
| 周日, 十一月 1 | 🌦️ 小雨 | 20° / 14° | 36% · 6 mm | 19 km/h | 2 |
| 周一, 十一月 2 | 🌦️ Light showers | 18° / 12° | 44% · 3 mm | 27 km/h | 2 |
| 周二, 十一月 3 | 🌦️ Light showers | 19° / 16° | 40% · 16 mm | 30 km/h | 1 |
| 周三, 十一月 4 | 🌧️ 阵雨 | 16° / 9° | 28% · 36 mm | 33 km/h | 3 |
| 周四, 十一月 5 | 🌨️ Light snow | 9° / 2° | 13% · 1 mm | 39 km/h | 1 |
| 周五, 十一月 6 | ☁️ 阴天 | 4° / -0° | 11% | 33 km/h | 2 |
| 周六, 十一月 7 | ☁️ 阴天 | 7° / -1° | 10% | 21 km/h | 3 |
| 周日, 十一月 8 | ☁️ 阴天 | 12° / -0° | 19% | 26 km/h | 3 |
The two-week trend
Cooling. The second half of the window averages 11°C cooler than the days immediately ahead.
The window averages 17°C against a 十月 normal of 20°C - 3°C below.
雨fall over the next 7 days is close至normal for 十月 (16 mm against a typical 9 mm).
What this means for Illinois
Today is warmer than average for 十月. The forecast high of 25°C is 4.8°C above the 20°C typical for this month.
雨 is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in 六月至八月.
The gap between the warmest and coldest month averages 29°C.
What至pack, what至skip
- 周日glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 18°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 的分时预报
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Illinois?
Illinois is a state in 美国. Its coordinates are 39.7817, -89.6501. It lies in 北美洲.
What is the weather like in Illinois现在?
It is currently 16°C (61°F)，天气为晴. 湿度 is 56% and wind is 6 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 3:44 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. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 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 27, 2026 at 3:44 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
