Illinois Tiempo Pronóstico
Illinois weather: 18°C, despejado. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.
Will it rain in Illinois?
No – rain is unlikely in Illinois today.
Lluvia is very unlikely today – plans do not need a backup.
Over the next 7 days, about 0 mm of precipitation is forecast.
The next 7 days look unusually dry – roughly 0% of a normal octubre week (0 mm against 9 mm).
16-day pronóstico para Illinois
Máximas y mínimas diarias, precipitaciones y UV.
| Día | Condiciones | Máx. / Mín. | Precip. | Viento | UV |
|---|---|---|---|---|---|
| vie., oct 23 | 🌤️ mayormente despejado | 24° / 7° | 0% | 10 km/h | 4 |
| sáb., oct 24 | ☁️ Cubierto | 24° / 9° | 2% | 11 km/h | 4 |
| dom., oct 25 | ☁️ Cubierto | 24° / 10° | 2% | 10 km/h | 4 |
| lun., oct 26 | ☁️ Cubierto | 24° / 14° | 0% | 9 km/h | 4 |
| mar., oct 27 | ☁️ Cubierto | 23° / 14° | 1% | 14 km/h | 3 |
| mié., oct 28 | ☁️ Cubierto | 25° / 13° | 2% | 21 km/h | 4 |
| jue., oct 29 | ☁️ Cubierto | 27° / 15° | 6% | 19 km/h | 4 |
| vie., oct 30 | ☁️ Cubierto | 26° / 16° | 10% | 13 km/h | 3 |
| sáb., oct 31 | 🌦️ Llovizna ligera | 18° / 15° | 41% · 2 mm | 27 km/h | 0 |
| dom., nov 1 | 🌦️ Llovizna ligera | 20° / 9° | 39% · 1 mm | 29 km/h | 2 |
| lun., nov 2 | 🌤️ mayormente despejado | 16° / 6° | 24% | 21 km/h | 4 |
| mar., nov 3 | ☁️ Cubierto | 14° / 6° | 25% | 21 km/h | 3 |
| mié., nov 4 | ☁️ Cubierto | 16° / 6° | 16% | 19 km/h | 3 |
| jue., nov 5 | ☁️ Cubierto | 22° / 7° | 17% | 12 km/h | 4 |
| vie., nov 6 | ☁️ Cubierto | 25° / 13° | 16% | 25 km/h | 3 |
| sáb., nov 7 | ☁️ Cubierto | 22° / 12° | 12% | 23 km/h | 3 |
What this means for Illinois
Today is slightly warmer than average for octubre. The forecast high of 24°C is 3.6°C above the 20°C typical for this month.
Lluvia 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 junio a agosto.
The gap between the warmest and coldest month averages 29°C.
What a pack, what a skip
- dom.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 enero, febrero and diciembre – historically the least comfortable months here.
Ver el pronóstico de Illinois por periodo
Illinois weather – more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
Tiempo for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in Estados Unidos. Its coordinates are 39.7817, -89.6501. It lies in América del Norte.
What is the weather like in Illinois ahora mismo?
It is currently 18°C (64°F) con despejado. Humedad is 39% and wind is 8 km/h.
When is the best time a visit Illinois?
agosto, septiembre and octubre offer the most comfortable conditions in Illinois, which has a continental climate. enero, febrero and diciembre are usually the hardest months for outdoor plans.
What time zone is Illinois in?
Illinois observes America/Chicago (UTC-05:00). The hora local is 6:42 AM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport a 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 a 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. |
|---|---|
| Pronóstico and observations | Open-Meteo (ECMWF and national models). |
| Calidad del aire and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Tiempo 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 octubre 25, 2026 at 6:42 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.





