Chicago Vær Værmelding
Chicago weather: 17°C, overskyet. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.
14-day forecast for Chicago
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | 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 |
| lør, okt 3 | ⛅ Delvis skyet | 18° / 13° | 1% | 17 km/h | 5 |
| søn, okt 4 | ☁️ Overskyet | 21° / 13° | 1% | 19 km/h | 5 |
| man, okt 5 | ☀️ Klar himmel | 15° / 12° | 1% | 20 km/h | 5 |
| tir, 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 skyet | 22° / 12° | 4% | 10 km/h | 5 |
| fre, okt 9 | ☁️ Overskyet | 22° / 14° | 4% | 16 km/h | 4 |
| lør, okt 10 | ☀️ Klar himmel | 27° / 17° | 7% | 20 km/h | 5 |
| søn, okt 11 | 🌦️ Yr | 22° / 17° | 19% · 1 mm | 20 km/h | 3 |
| man, okt 12 | 🌦️ Yr | 16° / 12° | 16% · 4 mm | 32 km/h | 1 |
| tir, 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 til soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in juni til august.
The gap between the warmest and coldest month averages 29°C.
What til pack, what til 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 januar, februar and desember - historically the least comfortable months here.
Se prognosen for Chicago etter tidsintervall
Chicago weather - more answers
Explore Chicago
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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 Nord-Amerika.
What is the weather like in Chicago akkurat nå?
It is currently 17°C (63°F) med overskyet. Luftfuktighet is 94% and wind is 10 km/h.
When is the best time til visit Chicago?
mai, juni, august, september and oktober offer the most comfortable conditions in Chicago, which has a continental climate. januar, februar and desember 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 9:07 PM.
How many people live in Chicago?
Chicago has a population of approximately 2.7 million.
What is the nearest airport til Chicago?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things til 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. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vær 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 9:07 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
