Climate almanac
Oak Brook
Illinois, United States · 41.83°, -87.93°
What is the weather like in Oak Brook in February?
In February, Oak Brook is typically 39°F (4°C) during the day and 23°F (-5°C) at night. The month brings about 2.2 in (56 mm) of precipitation in total. Snowfall averages about 5.9 in (149 mm) over the month.
- Average high39°F (4°C)
- Average low23°F (-5°C)
- Precipitation2.2 in (56 mm)
- Clear or mostly clear days7
- Snowfall5.9 in (149 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)