Knoxville experiences a clear, chilly morning with temperatures around 23°F, but the weather is expected to shift with showers and possible snow later in the week.

Boston's weather features sunny skies with highs near 39, with midweek warmth and possible nor'easter end of week. Snow chance increases over the weekend.

Philadelphia forecast: sunny skies today, mixed winter weather ahead with chances of rain and snow later in the week, according to the National Weather Service.

Pittsburgh is expected to experience a mix of weather with dry days, then rain, transitioning to snow as cold fronts and troughs affect the area, with potential travel impacts.

Charlotte's week features sunny weather, mild temperatures with occasional overcast days, and possible evening showers. Winds will be calm, shifting southwest.

The National Weather Service Melbourne FL warns of a high risk of rip currents and limited sunshine for Orlando, advising against water activities. Cold fronts may lead to colder, drier air and rough sea conditions.

The National Weather Service forecasts varied weather for Washington D.C., including sun, rain, and possible snow, with fluctuating temperatures throughout the week.

Indianapolis's weather will vary this week with alternating sun, rain, and snow, as per the National Weather Service. The temperatures will fluctuate, and the city will experience windy conditions and cold nights.

Cleveland anticipates severe winter weather, including accumulating snow and extreme cold, that may disrupt travel and daily life, as per the National Weather Service's Cleveland office.

Columbus and Cincinnati brace for weather fluctuations with rain turning to snow and potentially slick travel conditions. NWS warns of low temperatures to follow.

The article describes a weather forecast for New York City's boroughs, with sunny days and possible snow and rain during the week, as per the National Weather Service.

Baltimore's weather will be milder today with above-average temperatures and diminishing winds. A brief warm spell is expected until Tuesday before a trough brings potential showers and a snow-rain mix later in the week.

The NWS has forecasted varying winter conditions for St. Louis, with sunny weather today and fluctuating temperatures, clouds, and potential for gusty winds and precipitation as the week progresses.