Hazy, hot and increasingly humid air will linger over the area through the day today. Temperatures in the upper 60s and lower 70s this morning will climb quickly through the 70s and into the 80s by mid to late morning…with highs topping out between 80 and 90F once again this afternoon. The spell of mid-summer-like weather will come to an end tonight as a cold front drops southward and through the region and cool Canadian high pressure shifts into the Northeast. Temperatures on Wednesday will be up to 20F cooler than today.
Before the cooler and less humid air arrives, we may have some showers and thunderstorms to contend with later today. Expect this activity to fire off over Central New England during early afternoon and to drop south and eastward through Southern New England over the course of the afternoon and evening, exiting the south coast near sundown.
Here on the Cape, we’ll have to keep an eye to the radar and the northwest sky as we move through mid to late afternoon – with the best bet for getting into some wet weather coming after 4PM. There is enough instability and wind present in the atmosphere to support a few stronger thunderstorms across the region, though the primary threats will be lightning and pockets of heavy rain.