The highest day temperature in February 2026 was 57°F. The lowest night temperature was 11°F. The average values for day and night temperatures during February were 33.6°F и 26.8°F respectivly.

The average sea surface temperature in February 2026 for Chicago was 32.4°F. The maximum and minimum values were 30.8°F and 36.4°F respectively.

Most of the days in February are gloomy but you can also expect sunny days.

Precipitation total in February for Chicago is 1.7 in. It makes february one of the least rainy months of the year.

The average wind speed in February is 11.6 mph. It makes February one of the most windy months of the year for Chicago.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chicago in February is 4.6 hours.