It was a chilly start to the day Tuesday for areas away from Lake Michigan—temperatures dipped close to frost levels in some locations

Area low temperature map and coolest area low temperatures

Tuesday’s Almanac

Temperatures warmed noticeably Tuesday afternoon under bright sunshine

Highs, and how much warmer than Monday?

Tracking the change in Chicago’s temperatures in coming days—from summer-level warmth to the season’s coolest air by Sunday/Monday

Forecast highs and temperature departure from normal late afternoon

WED. Oct. 9 temps and departures from normal:

THUR. Oct. 10 temps and departures from normal:

FRI. Oct. 11 temps and departures from normal:

SAT. Oct. 12 temperatures and departures

SUN. Oct. 13 temps and departures from normal:

MON. Oct. 14 temps and departures from normal:

Conclusion:

The weather will continue to cool down throughout the week, with the coolest air expected on Sunday/Monday. The temperatures will then begin to warm up again by mid-week.

FAQs:

Q: Will it be warm enough to swim in Lake Michigan this week?
A: Unfortunately, the temperatures will not be warm enough for swimming this week.

Q: How cold will it get in the morning?
A: Temperatures will dip close to frost levels in some areas, so it will be chilly in the mornings.

Q: Will it be sunny all week?
A: Yes, expect plenty of sunshine throughout the week, with the highest amount of sunshine on Thursday.

Q: Will the temperatures be warm enough for outdoor activities?
A: While it will be chilly in the mornings, temperatures will warm up during the day, making it suitable for outdoor activities like walking or biking.