National Weather Service Forecast for: Oyster Bay NY
Issued by: National Weather Service New York, NY
Updated: 1:17 pm EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 44. South wind 8 to 10 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 36. South wind 7 to 10 mph.
Partly Cloudy

 Friday

Friday: A 40 percent chance of rain after 2pm. Mostly sunny, with a high near 51. West wind 5 to 10 mph becoming south 12 to 17 mph in the afternoon.
Sunny then
Chance Rain
 Friday
Night
Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Breezy, with a south wind 14 to 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
and Breezy
 Saturday

Saturday: Mostly sunny, with a high near 56. Northwest wind 11 to 13 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 41.
Mostly Cloudy

 Sunday

Sunday: Mostly cloudy, with a high near 56.
Mostly Cloudy

 Sunday
Night
Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Rain Likely

 Monday

Monday: Rain likely, mainly before 8am. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 60%.
Breezy. Rain
Likely then
Chance Rain
Hi 44 °F Lo 36 °F Hi 51 °F Lo 44 °F Hi 56 °F Lo 41 °F Hi 56 °F Lo 45 °F Hi 54 °F

 

This Afternoon
 
 Mostly sunny, with a high near 44. South wind 8 to 10 mph.
Tonight
 
 Partly cloudy, with a low around 36. South wind 7 to 10 mph.
Friday
 
 A 40 percent chance of rain after 2pm. Mostly sunny, with a high near 51. West wind 5 to 10 mph becoming south 12 to 17 mph in the afternoon.
Friday Night
 
 Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Breezy, with a south wind 14 to 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Mostly sunny, with a high near 56. Northwest wind 11 to 13 mph.
Saturday Night
 
 Mostly cloudy, with a low around 41.
Sunday
 
 Mostly cloudy, with a high near 56.
Sunday Night
 
 Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Monday
 
 Rain likely, mainly before 8am. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 60%.
Monday Night
 
 Mostly clear, with a low around 32. Breezy.
Tuesday
 
 Sunny, with a high near 45.
Tuesday Night
 
 Mostly cloudy, with a low around 36.
Wednesday
 
 Mostly cloudy, with a high near 48.

 

Forecast from NOAA-NWS for Oyster Bay NY.