ForecastFullerton, CAIs it too hot outside todayIs it too hot outside today in Fullerton, CADo I need a hoodie today?Do I need a jacket tomorrow?When is UV highest today?Can I wear shorts tomorrow?Is it too cold outside tomorrow?UV index tomorrow?Do I need an umbrella tomorrow?Is it sweater weather?Will it rain tomorrow?Do I need a jacket today?Do I need an umbrella today?Do I need sunscreen tomorrow?Do I need a coat tomorrow?What to wear today?Is it too hot outside tomorrow?Can I wear a t-shirt tomorrow?What to wear tomorrow?Rain forecast tomorrow?Rain forecast today?Heat risk tomorrow?Do I need sunscreen today?Do I need a hoodie tomorrow?Can I wear shorts today?Can I wear a t-shirt today?Is it hoodie weather?Do I need a coat today?Is it too cold outside today?Will it rain today?Heat risk today?When is UV highest tomorrow?UV index today?Heat StrokeSafeHeat risk is low.TodayTomorrowExtreme dangerDangerExtreme cautionCautionSafe8PM11PM2AM5AMSafe