our high today at reagan nerble 73. 6 at washington dulles and a warm 72 in frederick but temperatures are tart -- starting to fall. down to 59 in d.c. and frederick. all the way to the upper 40's at del lulls and 40 chilly degrees in culpepper and those are the spots that may see patchy fog overnight today. the wind must lighter than it was earlier today. with the lighter winds and clear skies, that's why we're expecting to have patchy frost off to the west. high pressure will be our dominant weather feature heading into the workweek. this area of low pressure from that cold front that slipped through overnight, high pressure moving in will keep us sunny and dry tomorrow. but we will get a southerly breeze so by tuesday highs will be approaching the 80-degree mark. yes, it is late october. but tonight it will be chilly. mid 30's in the suburbs to mid 40's downtown. patchy frost is possible and that's why the national weather service has issued a frost advisory for area country counties and then back down through allow down and other counties as well. these are the forecast lows tomorr