National Weather Service Forecast for: Hempstead NY
Issued by: National Weather Service New York, NY
Updated: 12:00 pm EDT May 26, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 78. Northeast wind 5 to 8 mph becoming south.
Mostly Sunny

 Tonight

Tonight: Increasing clouds, with a low around 61. Southwest wind around 6 mph.
Increasing
Clouds
 Wednesday

Wednesday: A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 79. Southwest wind 5 to 9 mph.
Slight Chance
Showers then
Mostly Cloudy
 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 64. Southwest wind around 7 mph becoming northwest after midnight.
Slight Chance
T-storms then
Mostly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 78. Northwest wind 8 to 15 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 57.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 75.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 56.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 71.
Mostly Sunny
Hi 78 °F Lo 61 °F Hi 79 °F Lo 64 °F Hi 78 °F Lo 57 °F Hi 75 °F Lo 56 °F Hi 71 °F

 

This Afternoon
 
 Mostly sunny, with a high near 78. Northeast wind 5 to 8 mph becoming south.
Tonight
 
 Increasing clouds, with a low around 61. Southwest wind around 6 mph.
Wednesday
 
 A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 79. Southwest wind 5 to 9 mph.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 64. Southwest wind around 7 mph becoming northwest after midnight.
Thursday
 
 Mostly sunny, with a high near 78. Northwest wind 8 to 15 mph.
Thursday Night
 
 Mostly clear, with a low around 57.
Friday
 
 Mostly sunny, with a high near 75.
Friday Night
 
 Partly cloudy, with a low around 56.
Saturday
 
 Mostly sunny, with a high near 71.
Saturday Night
 
 Partly cloudy, with a low around 54.
Sunday
 
 Mostly sunny, with a high near 72.
Sunday Night
 
 Partly cloudy, with a low around 57.
Monday
 
 Mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Hempstead NY.