Will I be hot?
Will I be hot in Chicago in March?
Verdict
No — No, comfortable.
Highs cap at 48°F — no heat-management gear needed.
Day vs. night
Day
48°F
Cool
Sweater weather with the option to add a light shell.
Night
31°F
Freezing
Deep freeze after sunset — every exposed step counts.
Why
Chicago in March averages highs of 48°F, lows of 31°F, 11 rainy days.
Temperature is comfortable across the day; pack for style and weather resistance, not heat management.