ForecastThornton, COIs it too cold outside todayIs it too cold outside today in Thornton, CODo I need an umbrella today?Do I need a coat today?Can I wear shorts tomorrow?Do I need sunscreen tomorrow?Do I need sunscreen today?Do I need a jacket tomorrow?Rain forecast today?Is it too hot outside tomorrow?Rain forecast tomorrow?Can I wear a t-shirt tomorrow?What to wear tomorrow?Do I need a hoodie tomorrow?Is it too hot outside today?Is it hoodie weather?UV index today?Do I need a jacket today?Is it sweater weather?Do I need a coat tomorrow?When is UV highest today?Heat risk today?UV index tomorrow?Heat risk tomorrow?Can I wear a t-shirt today?Will it rain today?What to wear today?Do I need an umbrella tomorrow?Is it too cold outside tomorrow?Do I need a hoodie today?When is UV highest tomorrow?Will it rain tomorrow?Can I wear shorts today?Wind ChillSafeNo wind chill risk.TodayTomorrowExtreme dangerDangerExtreme cautionCautionSafe11AM4PM8PM12AM4AMSafe