Old Westbury, NY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Old Westbury, NY in one place.
Sunny. High near 81, with temperatures falling to around 78 in the afternoon. Southeast wind around 9 mph.
Local Weather Overview
This forecast page for Old Westbury, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 24, 2026 4:01 PM EDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Old Westbury, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 24, 2026 4:01 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Old Westbury
Monday looks like the warmest upcoming period in Old Westbury at 83 degrees F.
Tonight is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 15 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 24, 2026 4:01 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 66. East wind 3 to 8 mph.
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. East wind 5 to 12 mph.
Mostly clear, with a low around 66. East wind 3 to 9 mph.
Sunny. High near 82, with temperatures falling to around 80 in the afternoon. East wind 3 to 9 mph.
Mostly clear, with a low around 68.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 24
|
Sunny
|
81°F |
9 mph
SE
|
|
Tonight
Jul 24
|
Partly Cloudy
|
66°F |
3 to 8 mph
E
|
|
Saturday
Jul 25
|
Sunny
|
81°F |
5 to 12 mph
E
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
66°F |
3 to 9 mph
E
|
|
Sunday
Jul 26
|
Sunny
|
82°F |
3 to 9 mph
E
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
68°F |
3 to 8 mph
S
|
|
Monday
Jul 27
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
3 to 12 mph
S
|
|
Monday Night
Jul 27
|
Chance Showers And Thunderstorms
|
70°F |
7 to 12 mph
S
|
|
Tuesday
Jul 28
|
Showers And Thunderstorms Likely
|
79°F |
7 to 15 mph
S
|
|
Tuesday Night
Jul 28
|
Showers And Thunderstorms Likely
|
70°F |
9 to 15 mph
S
|
|
Wednesday
Jul 29
|
Chance Rain Showers
|
81°F |
9 mph
NW
|
|
Wednesday Night
Jul 29
|
Chance Showers And Thunderstorms then Partly Cloudy
|
69°F |
8 mph
NW
|
|
Thursday
Jul 30
|
Mostly Sunny
|
82°F |
8 mph
W
|
|
Thursday Night
Jul 30
|
Partly Cloudy
|
70°F |
5 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Old Westbury.
