Cooler Weather Before the Heat Arrives on Long Island

See the "My Personal Weatherman" Facebook page for frequent updates.

Cooler weather before the heat arrives: - Quick overview for Long Island with more details below: Mostly sunny today and tomorrow, scattered showers and thunderstorms at times Friday into late Friday night, and then mostly sunny and hot for the weekend. - Today: Mostly sunny with highs mostly around 80 degrees with moderate humidity levels. The breeze will be mostly out of the ENE this morning at 5 to 10 mph and then out of the ESE at 10 to 15 mph this afternoon. - Tomorrow: Mostly sunny with highs mostly in the upper 70's with moderate humidity levels. The breeze will be mostly out of the SE at 5 to 10 mph in the morning and 10 to 15 mph in the afternoon. - Friday: Mostly cloudy and increasingly humid by afternoon with a 50% chance of some scattered showers and thunderstorms, mostly in the afternoon into the night with the potential for some moderate to heavy downpours. Highs mostly around 80 degrees with the wind mostly out of the south, increasing to 15 mph in the afternoon/evening. - Saturday: More clouds in the morning are possible, but then becoming mostly sunny, hot, and humid with highs mostly in the upper 80's to around 90 degrees, but cooler for the south shore and east end, and some low 90's are possible in northern and western Nassau. - Sunday: Mostly sunny, hot and humid with highs mostly in the upper 80's to low 90's, but cooler for the south shore and east end, and some mid 90's are possible in northern and western Nassau. The wind will mostly be out of the SW and increasing to 15 mph in the afternoon/evening. - Monday: Partly cloudy, hot, and even more humid with highs mostly in the upper 80's to low 90's with an increasing chance of scattered thunderstorms by evening. - The humid weather continues on Tuesday with highs mostly in the upper 80's with some scattered thunderstorms in the afternoon and evening. - 1st image: Projected temperatures for Long Island for the next 10 days from the National Weather Service model blend. - 2nd image: Projected high temperatures for today from the HRRR model.