Long Island Heads for 80 Degrees Highs Wednesday Northern Nassau Northwest Suffolk

Long Island Heads for 80 Degrees Highs Wednesday

Northern Nassau Northwest Suffolk

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Long Island Heads for 80 Degrees Highs Wednesday Northern Nassau Northwest Suffolk

The new week begins with a chill today thanks to the storm to the northeast. While that storm moves away it still leaves Long Island in a chilly place with gusty winds. At least we should see partly to mostly sunny skies today and winds will ease late this afternoon and evening. Temperatures today will probably top out in the upper 50s to around 60 degrees or so. Then we can turn our attention to warmer air that is headed this way for Tuesday through Friday though it won’t be the same every day.


storm free

Tonight we will see lows in the low to mid 40s with nothing more than some high clouds around. Winds will turn westerly. Warmer air moves in from the Plains and temperatures head higher for Tuesday. We will be partly to mostly sunny and that will be enough to push temperatures above 70 in Northern Nassau and Northwest Suffolk. Sea breeze issues will keep it cooler south shore (South of Sunrise Highway) and over the East End.

There are no changes in the outlook for Wednesday as we will see sunshine and a west wind and that should push temperatures close to 80 degrees in Northern Nassau and Northwest Suffolk county. 70s should dominate even in south shore locations until the sea breeze arrives. Again nothing worse than partly to mostly sunny skies is expected regarding sky conditions. Wednesday to me will be the best day of the week.


Thursday presents the dilemma that we face this time of year and that is the backdoor cold front to the north. You will notice a train of waves to the west with showers and thunderstorms. As each low goes by it pushes a weak warm front ahead of it and a cold front behind it. The position of that front at midday Thursday suggests we will be on the warm side of the frontal boundary but close enough that there will be clouds and around and that will impact high temperatures on Thursday. 60s to near 70 will be likely north of the frontal boundary and 70s to near 80 to the south. Long Island lies on the edge of this boundary so we will see which way it goes as we get closer. We will describe Thursday as cloudy to occasionally partly sunny. For now we will keep any mention of a scattered shower or thunderstorm out of the forecast until we can figure out where the front is going to be.

That risk grows Friday as we will be in a warm humid southwest flow as the next wave moves northeast. This one is stronger and will likely produce showers and thunderstorms at some point later Friday into Friday night. I think that there is the risk for some severe weather with this front though the Storm Prediction Center is not indicating risk at the moment. Friday highs will be in the 70s to near 80.

Chilly dry air follows behind the front for next weekend as May begins on a cold note but once again it is a quick shot that lasts a day or so and the long range suggests warmer temperatures will follow Sunday and for the first part of next week!





Please note that with regards to any severe weather,  tropical storms, or hurricanes, should a storm be threatening, please consult your local National Weather Service office or your local government officials about what action you should be taking to protect life and property.