Illinois Cuaca Ramalan
Illinois weather: 18°C, cerah. Setiap jam forecast, 14-day outlook, UV, air quality and the best time hingga visit.
Salji forecast for Illinois
No snow is in the current forecast window for Illinois.
0 of the next 16 nights are forecast hingga reach freezing.
Historically, average lows drop below freezing in Januari, Februari and Disember.
16-day forecast for Illinois
Maks. / Min.; Hujan; UV
| Hari | Keadaan | Maks. / Min. | Hujan | Angin | UV |
|---|---|---|---|---|---|
| Rab, Okt 28 | 🌤️ Kebanyakannya cerah | 26° / 12° | 0% | 20 km/h | 4 |
| Kha, Okt 29 | ☁️ Mendung | 26° / 14° | 3% | 18 km/h | 4 |
| Jum, Okt 30 | 🌧️ Heavy rain | 18° / 11° | 15% · 20 mm | 17 km/h | 4 |
| Sab, Okt 31 | 🌦️ Light drizzle | 21° / 15° | 14% · 0 mm | 14 km/h | 2 |
| Aha, Nov 1 | 🌧️ Hujan | 17° / 15° | 30% · 12 mm | 14 km/h | 1 |
| Isn, Nov 2 | 🌦️ Light showers | 20° / 15° | 47% · 8 mm | 22 km/h | 3 |
| Sel, Nov 3 | 🌧️ Hujan lebat | 20° / 17° | 55% · 41 mm | 29 km/h | 1 |
| Rab, Nov 4 | 🌦️ Light showers | 18° / 17° | 46% · 15 mm | 28 km/h | 1 |
| Kha, Nov 5 | 🌦️ Hujan ringan | 17° / 14° | 28% · 5 mm | 15 km/h | 1 |
| Jum, Nov 6 | 🌦️ Hujan ringan | 14° / 7° | 15% · 4 mm | 25 km/h | 1 |
| Sab, Nov 7 | ☁️ Mendung | 12° / 3° | 7% | 17 km/h | 3 |
| Aha, Nov 8 | ☁️ Mendung | 12° / 4° | 11% | 9 km/h | 3 |
| Isn, Nov 9 | 🌦️ Light drizzle | 14° / 6° | 13% · 1 mm | 29 km/h | 2 |
| Sel, Nov 10 | 🌦️ Light drizzle | 12° / 7° | 11% · 2 mm | 41 km/h | 3 |
| Rab, Nov 11 | ☁️ Mendung | 11° / 3° | 13% | 18 km/h | 3 |
| Kha, Nov 12 | ⛅ Berawan sebahagian | 9° / 2° | 11% | 22 km/h | 3 |
Iklim in Illinois month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Bulan | Avg high | Avg low | Hujanfall | Rating |
|---|---|---|---|---|
| Januari | 1° | -7° | 62 mm | ★★☆☆☆ |
| Februari | 8° | -3° | 20 mm | ★★★☆☆ |
| Mac | 15° | 4° | 90 mm | ★★★☆☆ |
| April | 19° | 9° | 135 mm | ★★★☆☆ |
| Mei | 24° | 13° | 100 mm | ★★★★☆ |
| Jun | 28° | 19° | 117 mm | ★★★★☆ |
| Julai | 30° | 21° | 129 mm | ★★★★☆ |
| Ogos | 29° | 19° | 75 mm | ★★★★☆ |
| September | 27° | 17° | 35 mm | ★★★★☆ |
| Oktober | 21° | 10° | 25 mm | ★★★★☆ |
| November | 12° | 3° | 79 mm | ★★★☆☆ |
| Disember | 6° | -2° | 62 mm | ★★☆☆☆ |
Iklim type: Benuaal. Sumber: Open-Meteo archive (ERA5).
What hingga pack, what hingga skip
- Ahaglasses, a brimmed hat and SPF 30+
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid Januari, Februari and Disember - historically the least comfortable months here.
Lihat ramalan untuk Illinois mengikut tempoh
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
Cuaca for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in Amerika Syarikat. Its coordinates are 39.7817, -89.6501. It lies in Amerika Utara.
What is the weather like in Illinois sekarang?
It is currently 18°C (64°F) dengan cerah. Kelembapan is 57% and wind is 16 km/h.
When is the best time hingga visit Illinois?
Ogos, September and Oktober offer the most comfortable conditions in Illinois, which has a continental climate. Januari, Februari and Disember 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 11:29 PM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport hingga 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 hingga 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. |
|---|---|
| Ramalan and observations | Open-Meteo (ECMWF and national models). |
| Kualiti udara and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Iklim averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Cuaca 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 Oktober 28, 2026 at 11:29 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





