National Weather Service Forecast for: Hempstead NY
Issued by: National Weather Service New York, NY
Updated: 7:25 pm EST Dec 17, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 29. West wind 5 to 8 mph becoming calm after midnight.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 52. Calm wind becoming south 5 to 9 mph in the morning.
Mostly Sunny

 Thursday
Night
Thursday Night: Rain, with thunderstorms also possible after 4am. Temperature rising to around 53 by 3am. Breezy, with a south wind 8 to 13 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Rain Likely
then Rain and
Breezy
 Friday

Friday: Rain and possibly a thunderstorm. Temperature rising to near 55 by 9am, then falling to around 42 during the remainder of the day. Windy, with a south wind 20 to 28 mph becoming west in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Rain and
Windy

 Friday
Night
Friday Night: Partly cloudy, with a low around 28. Breezy, with a west wind 13 to 21 mph, with gusts as high as 43 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 43.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 36.
Mostly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 47.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 27.
Partly Cloudy
Lo 29 °F Hi 52 °F Lo 48 °F⇑ Hi 55 °F⇓ Lo 28 °F Hi 43 °F Lo 36 °F Hi 47 °F Lo 27 °F

Wind Advisory
Hazardous Weather Outlook
 

Tonight
 
 Partly cloudy, with a low around 29. West wind 5 to 8 mph becoming calm after midnight.
Thursday
 
 Mostly sunny, with a high near 52. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
 
 Rain, with thunderstorms also possible after 4am. Temperature rising to around 53 by 3am. Breezy, with a south wind 8 to 13 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
 Rain and possibly a thunderstorm. Temperature rising to near 55 by 9am, then falling to around 42 during the remainder of the day. Windy, with a south wind 20 to 28 mph becoming west in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
 
 Partly cloudy, with a low around 28. Breezy, with a west wind 13 to 21 mph, with gusts as high as 43 mph.
Saturday
 
 Mostly sunny, with a high near 43.
Saturday Night
 
 Mostly cloudy, with a low around 36.
Sunday
 
 Mostly sunny, with a high near 47.
Sunday Night
 
 Partly cloudy, with a low around 27.
Monday
 
 Sunny, with a high near 36.
Monday Night
 
 Partly cloudy, with a low around 27.
Tuesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Tuesday Night
 
 Mostly cloudy, with a low around 33.
Wednesday
 
 Mostly sunny, with a high near 42.

 

Forecast from NOAA-NWS for Hempstead NY.