Thornton, CO
69°
Feels like 69° · H 81° · L 57°
Clothing
Light jacket
Big temperature swing, make sure you have a light jacket.
TodayTomorrow
Heavy coatLight jacketLong sleevesBreathable clothingShorts
Breathable clothingLong sleevesLight jacket
Frequently asked questions
What should I wear in Thornton, CO today?
Light jacket. Big temperature swing, make sure you have a light jacket.
Can I wear shorts in Thornton, CO today?
No — with light jacket recommended, cover up instead of shorts.
Do I need an umbrella in Thornton, CO today?
No need. No need for an umbrella in the morning.
What is the UV index in Thornton, CO today?
Today's peak UV index is around 7 (High). Wear SPF 30+, a hat, and seek shade around midday.