Chicago Väder Prognos
Chicago weather: 17°C, mulet. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
14-day forecast for Chicago
Max / Min; Nederb.; UV
| Dag | Förhållanden | Max / Min | Nederb. | Vind | UV |
|---|---|---|---|---|---|
| ons, sep 30 | 🌧️ Regn | 18° / 15° | 92% · 14 mm | 16 km/h | 2 |
| tor, okt 1 | 🌧️ Heavy rain | 23° / 16° | 71% · 29 mm | 22 km/h | 1 |
| fre, okt 2 | 🌦️ Light drizzle | 16° / 13° | 34% · 0 mm | 26 km/h | 5 |
| lör, okt 3 | ⛅ Delvis molnigt | 18° / 13° | 1% | 17 km/h | 5 |
| sön, okt 4 | ☁️ Mulet | 21° / 13° | 1% | 19 km/h | 5 |
| mån, okt 5 | ☀️ Klart | 15° / 12° | 1% | 20 km/h | 5 |
| tis, okt 6 | 🌤️ Mest klart | 18° / 9° | 0% | 15 km/h | 5 |
| ons, okt 7 | 🌦️ Light drizzle | 21° / 12° | 6% · 1 mm | 19 km/h | 4 |
| tor, okt 8 | ⛅ Delvis molnigt | 22° / 12° | 4% | 10 km/h | 5 |
| fre, okt 9 | ☁️ Mulet | 22° / 14° | 4% | 16 km/h | 4 |
| lör, okt 10 | ☀️ Klart | 27° / 17° | 7% | 20 km/h | 5 |
| sön, okt 11 | 🌦️ Duggregn | 22° / 17° | 19% · 1 mm | 20 km/h | 3 |
| mån, okt 12 | 🌦️ Duggregn | 16° / 12° | 16% · 4 mm | 32 km/h | 1 |
| tis, okt 13 | 🌦️ Light drizzle | 16° / 11° | 16% · 0 mm | 12 km/h | 4 |
The two-week trend
Steady. The second week averages within a degree of the first, so no big change is signalled.
The window averages 19°C against a september normal of 24°C - 5°C below.
The next 7 days carry about 2.5 times a normal week's rain for september (43 mm against 17 mm).
What this means for Chicago
Today is cooler than average for september. The forecast high of 18°C is 5.9°C below the 24°C typical for this month.
A 92% chance means rain is expected over most of the area. Plan indoor alternatives. Around 14 mm is forecast, which is enough och soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in juni och augusti.
The gap between the warmest and coldest month averages 29°C.
What och pack, what och skip
- Layers - the daily swing is 13°C, so mornings feel nothing like afternoons
- 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 december - historically the least comfortable months here.
Se prognosen för Chicago per tidsintervall
Chicago weather - more answers
Explore Chicago
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 Chicago?
Chicago is a city in Illinois. Its coordinates are 41.8781, -87.6298. It lies in Nordamerika.
What is the weather like in Chicago just nu?
It is currently 17°C (63°F) med mulet. Luftfuktighet is 94% and wind is 10 km/h.
When is the best time och visit Chicago?
maj, juni, augusti, september and oktober offer the most comfortable conditions in Chicago, which has a continental climate. januari, februari and december are usually the hardest months for outdoor plans.
What time zone is Chicago in?
Chicago observes America/Chicago (UTC-05:00). The local time is 8:24 PM.
How many people live in Chicago?
Chicago has a population of approximately 2.7 million.
What is the nearest airport och Chicago?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things och do in Chicago?
Popular options include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
What places are in Chicago?
Chicago covers 5 places in this atlas, including O'Hare International Airport, The Loop, Wicker Park, ZIP Code 60601 and Area Code 312.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder 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 september 30, 2026 at 8:24 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
