grib = GRIdded Binary (NWP model format) • grab = fetch it for any location worldwide
3-day forecast for Chicago
- Sat 19 Sep: 17–20°C, drizzle, 1.2 mm precipitation, wind up to 8 m/s
- Sun 20 Sep: 17–19°C, rain, 37.2 mm precipitation, wind up to 7 m/s
- Mon 21 Sep: 15–18°C, overcast, no precipitation, wind up to 8 m/s
As of 19 Sep 2026. Data: Open-Meteo (CC BY 4.0). The live hourly chart is above.
Chicago has a continental climate with hot summers, very cold and snowy winters, and strong winds from Lake Michigan. This page shows the hourly weather forecast for Chicago, USA for the next 7 days — temperature, precipitation, wind speed, atmospheric pressure, and cloud cover hour by hour, updated every 3 hours from Open-Meteo.
