Your Mount Sinai weather forecast for Tuesday, May 20 - Saturday, May 24

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Weather outlook for Tuesday, May 20 - Saturday, May 24

Tuesday

Sunny, with a high of 61 and low of 45 degrees. Sunny during the morning, partly cloudy in the afternoon and evening, clear overnight.

High: 61° Low: 45° with a 0% chance of rain.

Wednesday

Patchy rain nearby, with a high of 54 and low of 50 degrees. Patchy rain nearby in the morning, light rain shower during the afternoon and evening, partly cloudy overnight.

High: 54° Low: 50° with a 85% chance of rain.

Thursday

Moderate rain, with a high of 52 and low of 49 degrees. Light drizzle in the morning, light rain in the afternoon, moderate rain in the evening, light drizzle overnight.

High: 52° Low: 49° with a 61% chance of rain.

Friday

Patchy rain nearby, with a high of 57 and low of 48 degrees. Light drizzle for the morning, patchy rain nearby for the afternoon, light rain overnight.

High: 57° Low: 48° with a 75% chance of rain.

There you have it! For more details, check out our weekly weather forecast.

More News from Mount Sinai

• Brentwood Man Arrested for Murder in Central Islip Killing Sunday Morning 21-year-old Alexander Reyes from Brentwood has been charged with Murder 2nd Degree in connection with the death of 46-year-old Alexander Valesquez on Sunday June 22, 2025.
• Residents Demand Action to Rebuild Harbor Road and Restore the Pond A fierce rainstorm destroyed Harbor Road in Stony Brook and emptied the Mill Pond last August. Nearly a year later, residents are agry that nothing has been done to fix it.