Old Westbury, NY Weather Forecast
Local 7-day forecast
Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Old Westbury, NY in one place.
A chance of rain between 7am and 10am, then rain and a slight chance of thunderstorms. Mostly cloudy. High near 62, with temperatures falling to around 56 in the afternoon. East wind 9 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
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: Nov 11, 2026 1:11 PM EST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Old Westbury, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 1:11 PM EST
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Old Westbury
Thursday looks like the warmest upcoming period in Old Westbury at 62 degrees F.
Monday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 15 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 1:11 PM EST
- Coverage
- 6 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
Rain. Mostly cloudy. Low around 44, with temperatures rising to around 46 overnight. North wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain. Mostly cloudy. High near 51, with temperatures falling to around 46 in the afternoon. Northwest wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain before 7am. Partly sunny, with a high near 50.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 52.
Partly cloudy, with a low around 39.
Sunny, with a high near 52.
Mostly clear, with a low around 37.
Sunny, with a high near 52.
Partly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Light Rain
|
62°F |
9 to 14 mph
E
|
|
Thursday Night
Nov 12
|
Light Rain
|
44°F |
8 to 13 mph
N
|
|
Friday
Nov 13
|
Light Rain
|
51°F |
15 mph
NW
|
|
Friday Night
Nov 13
|
Light Rain Likely
|
40°F |
9 to 13 mph
NW
|
|
Saturday
Nov 14
|
Slight Chance Light Rain then Partly Sunny
|
50°F |
12 to 15 mph
NW
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
39°F |
13 mph
NW
|
|
Sunday
Nov 15
|
Mostly Sunny
|
52°F |
14 mph
NW
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
39°F |
7 to 10 mph
NW
|
|
Monday
Nov 16
|
Sunny
|
52°F |
9 mph
NW
|
|
Monday Night
Nov 16
|
Mostly Clear
|
37°F |
7 mph
N
|
|
Tuesday
Nov 17
|
Sunny
|
52°F |
7 mph
NW
|
|
Tuesday Night
Nov 17
|
Partly Cloudy
|
38°F |
6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Old Westbury.
