Warm and sunny Sunday prelude to a mixed weather week

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The first day of June will see temperatures in the lower to mid 70s across Long Island on Sunday with mostly sunny skies, hitting close to the historical average, the National Weather Service said.

"It will be a nice day," said Joey Picca, meteorologist with the National Weather Service bureau in Upton. Average June 1 temperatures in Islip are a high of 72 degrees and low of 55.

Temperatures Sunday night will go down to the lower to mid-50s.

On Monday, temperatures will hit the mid-70s as dry weather and mostly clear skies continue, Picca said. Monday night lows will be in the upper 50s and lower 60s, as moisture and clouds move into the area from west to east.

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There will be an increasing chance of showers and isolated thunderstorms as Tuesday progresses. Late Tuesday, there will be a 30 to 40 percent chance for showers or isolated thunderstorms.

On Wednesday, there will be a 50 percent chance of showers and thunderstorms as temperatures hit the upper 70s and low 80s.

By later in the day Thursday, chances of showers will diminish until Friday, when the Weather Service calls for dry conditions and temperatures in the mid to upper 70s.

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