Baltimore and Washington DC residents can look forward to a cool and dry start to the week. The National Weather Service has forecasted lower to mid-80s temperatures today following the passage of a secondary front this morning. Skies cleared this afternoon after some morning cloud coverage. Amid modest cold advection, it could even get as low as the mid to upper 60s overnight in urban centers, while rural areas west of I-95 might touch the 50s.
This cooling trend is attributed to spreading high pressure originating from the Midwest. Through tonight, much of the area will experience mostly clear skies and light winds, conducive for efficient cooling. Especially along the Alleghenies, the region could see temperatures dipping into the 40s.
As we enter the earlier half of the week, no significant changes are expected. The surface high remains stationed to the west of the area with "dry weather and below normal temperatures" persisting, as told by the National Weather Service. Tuesday may bring some clouds and a meager 20 percent chance or less of showers across most of the area, while thunderstorms are deemed unlikely due to low dew points and stable temperatures.
Looking ahead toward the latter half of the week, Wednesday will continue to sport mostly dry conditions with the high pressure moving further offshore. However, a "large mid-to-upper level low pressure system" is projected to increase local chances for showers and thunderstorms, particularly around Friday and Saturday. For aviators and mariners, the forecast indicates primarily VFR conditions through Thursday with winds beneath Small Craft Advisory (SCA) levels, according to the National Weather Service.
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