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  3. Can I wear a t-shirt today

Can I wear a t-shirt today in Ontario, CA

Clothing

Long sleeves

Breathable and sweat-wicking clothes are recommended in the morning, such as shorts.

TodayTomorrow
Heavy coatLight jacketLong sleevesBreathable clothingShorts
ShortsBreathable clothingLong sleeves
A t-shirt is usually comfortable around 65-80°F, and often works best when the clothing recommendation is shorts, breathable clothing, or sometimes long sleeves if you run warm. Above 80°F, choose breathable fabric; below 65°F, a t-shirt may work better as a base layer.