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GFS and Euro remain far apart on Long Island temperatures for Saturday and Sunday:

The GFS continues to show temperatures as high as 98 degrees on Saturday and 93 degrees on Sunday with the Euro showing highs mostly in the low to possibly mid 70's. The truth will of course be somewhere in the middle with highs mostly in the low to mid 80's on Saturday and low to possibly mid 80's on Sunday before the thunderstorms arrive around late afternoon into the evening. The Euro ensemble mean gives a better idea than the main Euro run as the ensemble mean for Farmingdale is 80 on Saturday and 82 on Sunday. Also, the model blend shows 82 on Saturday and 81 on Sunday.


It will be much cooler then for next Tuesday and Wednesday with highs in the upper 60's.


A quick note regarding temperatures tomorrow: The highs can be up to 5 degrees cooler or warmer than forecast depending on how quickly the warm front clears the area.


LONG ISLAND FORECAST:

Today: Sunny in the morning with increasing mid to upper level clouds in the afternoon with low humidity with highs in the low 70's, but cooler for the south shore and east end. Wind out of the WNW at 10 to 15 mph, but becoming out of the S along the south shore by mid to late afternoon.

Tonight: Becoming cloudy with rain developing between around midnight and 2 AM from west to east with lows in the mid 50's in Nassau and low 50's in Suffolk. Wind out of the S at 5 to 10 mph.

Tomorrow: Rain ending between around 10 AM and 1 PM from west to east with partial clearing later in the afternoon with highs around 70 degrees in Nassau and in the mid to upper 60's in Suffolk, but cooler for the south shore and east end. Wind out of the S at 10 to 15 mph.

Tomorrow night: Partly cloudy with lows in the mid 50's in Nassau and low 50's in Suffolk. Wind out of the WNW at 5 to 10 mph.

Friday: Partly cloudy with highs in the mid to upper 70's, but cooler for the south shore and east end. Wind out of the SSE at 10 to 20 mph.

Saturday: Mostly sunny and fairly humid with highs in the mid 80's in Nassau and low 80's in Suffolk, but cooler for the south shore and east end. Wind out of the SSW at 10 to 15 mph.

Sunday: Mostly sunny in the morning and fairly humid and then increasing clouds in the mid to late afternoon with showers and thunderstorms arriving around early evening with highs in the low to mid 80's in Nassau and low 80's in Suffolk, but cooler for the south shore and east end. Wind out of the SSW at 10 to 20 mph.

Monday: Partly to mostly cloudy and much cooler and less humid with highs around 70 degrees, but cooler for the south shore and east end. Wind out of the N at 10 to 15 mph.

Tuesday: Partly cloudy with highs in the upper 60's to around 70 degrees, but cooler for the south shore and east end. Wind out of the ENE at 10 to 15 mph.


- 1st image: My 5 day outlook for Long Island

- 2nd image: Projected rainfall through tomorrow from the Weather Prediction Center

- 3rd image: Projected temperatures with ranges for Long Island for the next 15 days from the Euro ensembles

- 4th image: Projected temperatures for Long Island for the next 10 days from the NWS Model Blend






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