ForecastLancaster, CAHeat risk todayHeat risk today in Lancaster, CADo I need an umbrella today?Is it too cold outside today?When is UV highest today?Do I need sunscreen tomorrow?Can I wear a t-shirt today?What to wear tomorrow?Do I need a coat tomorrow?Can I wear shorts tomorrow?Can I wear a t-shirt tomorrow?Do I need sunscreen today?Is it too hot outside today?Is it too cold outside tomorrow?Do I need a jacket tomorrow?What to wear today?Is it sweater weather?Is it too hot outside tomorrow?Heat risk tomorrow?UV index today?Do I need a coat today?Do I need a hoodie tomorrow?Do I need a jacket today?Can I wear shorts today?Will it rain tomorrow?Will it rain today?UV index tomorrow?Is it hoodie weather?Do I need a hoodie today?Rain forecast today?When is UV highest tomorrow?Do I need an umbrella tomorrow?Rain forecast tomorrow?Heat StrokeSafeHeat risk is low.TodayTomorrowExtreme dangerDangerExtreme cautionCautionSafe7PM11PM2AM5AMSafe