Mostly sunny skies will make for a nice afternoon across Long Island. There is just a small chance of an isolated pop-up shower or thunderstorm after 2 p.m., but most locations will stay dry. Any shower or storm threat will fade as we get closer to sunset. High temperatures will reach the lower 80s, with upper 70s along the shoreline. The UV index will be high, so keep the sunscreen handy if you're spending time outdoors.

Tonight will be partly cloudy, dry and a little cool for late August. Temperatures will fall into the 50s across some of the cooler locations, with lower 60s elsewhere. Overall, it will be a comfortable night with noticeably cooler conditions by early Tuesday morning.

Tuesday brings another beautiful day with mostly sunny skies and comfortable temperatures. Afternoon highs will reach the upper 70s and lower 80s. The nice stretch continues Wednesday with plenty of sunshine and temperatures right around 80 degrees.

Changes begin Thursday as clouds increase across the area. Scattered showers with chance of late day thunderstorms. Highs will again reach the upper 70s and lower 80s. A better chance of wet weather arrives Thursday night and continues into Friday morning, so we'll be tracking the timing and potential impacts as we get closer.

Expect cool conditions during the overnight hours for some across the island.