Week Starts Hot. Ends Cooler and Unsettled (Aug 17-21)

The week should start out hot with high pressure overhead. As we move forward through the week, intensifying SW flow should precede a slow moving cold front which could bring showers and storms to the region. Most days seem okay during beach hours. Its the afternoon-evening hours you have to watch out for as instability-driven cumulus clouds build against the cap. Let’s look at each day:

Monday high temperatures should reach the upper-80s along the coast and 90+ for most interior locations. Humidity should remain noticeably elevated. Skies should be mostly sunny with just a small chance of an isolated shower or thunderstorm. Winds should be light out of the SW. Overnight lows should stay above 60 statewide and possibly above 70 for the coast.

Tuesday high temperatures should reach the upper-80s along the coast and 90+ for most interior locations. Humidity should remain noticeably elevated. A better chance for afternoon-evening thunderstorms exists with otherwise mostly sunny skies until any cumulus clouds build. Winds should be light out of the S. Overnight lows should stay above 65 statewide and possibly above 70 for the coast.

Wednesday high temperatures should reach the upper-80s along the coast and in NNJ elevations. Urban I-95 regions (Philly-Trenton) shoudl easily flirt with breaking 90. Humidity should again, remain noticeably elevated. Isolated showers and thunderstorms are possible with otherwise mostly sunny skies. Winds should be light out of the S/SE. Overnight lows should again only drop into the 60s for interior regions and low-70s along the coast.

Thursday high temperatures should reach the mid-80s statewide. Skies should be partly cloudy with showers and thunderstorms possible, especially during PM hours. Winds should be breezy out of the S/SE. Overnight lows should range from 65-75 (NNJ elevations to coast) as shower and storm chances persist overnight.

Friday high temperatures should reach the mid-80s statewide. Skies should be partly to mostly cloudy. A lesser chance for showers and storms. Winds should be near stationary for interior regions while the coast could see a stiffer S/SE breeze. Overnight lows should range from 65-75 (NNJ elevations to coast).

An early look at the weekend indicates more humid-80s with mostly sun and more isolated shower and storm chances. That should surround a frontal passage which I’ll have a much better handle on midweek.

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Be safe and have a great week! JC

Jonathan Carr

Jonathan Carr (JC) is the founder and sole operator of Weather NJ, New Jersey’s largest independent weather reporting agency. Since 2010, Jonathan has provided weather safety discussion and forecasting services for New Jersey and surrounding areas through the web and social media. Originally branded as Severe NJ Weather (before 2014), Weather NJ is proud to bring you accurate and responsible forecast discussion ahead of high-stakes weather scenarios that impact this great garden state of ours. All Weather. All New Jersey.™ Be safe! JC