Forecast
Arlington Heights, IL
Do I need a coat tomorrow

Do I need a coat tomorrow in Arlington Heights, IL

Q: Do I need a coat tomorrow in Arlington Heights, IL?

Light jacket. Light jacket is recommended during the day. A coat usually starts to make sense when the feels-like temperature is below about 45°F, especially with wind or damp conditions. Around 30-45°F, a regular coat is often useful; below 30°F, a heavier winter coat is usually the safer choice.

Updated September 25 · Live conditions refresh automatically.

Clothing

Light jacket

Light jacket is recommended during the day.

Tomorrow24 hours

Heavy coatLight jacketLong sleevesBreathable clothingShorts

Long sleevesLight jacket

A coat usually starts to make sense when the feels-like temperature is below about 45°F, especially with wind or damp conditions. Around 30-45°F, a regular coat is often useful; below 30°F, a heavier winter coat is usually the safer choice.

Quick answer — Arlington Heights, IL

Light jacket — Arlington Heights, IL

Do I need a coat tomorrow in Arlington Heights, IL: Light jacket. Light jacket is recommended during the day.

Verdict: Light jacket
High / Low: 67° / 52°
Details: Light jacket is recommended during the day.

Updated 9/25/2026 · Live conditions refresh automatically.