Locust Valley, NY Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Locust Valley, NY in one place.
Rain showers likely. Cloudy, with a high near 60. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for Locust Valley, 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: Apr 15, 2026 5:16 PM EDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for Locust Valley, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 5:16 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Locust Valley
Sunday looks like the warmest upcoming period in Locust Valley at 60 degrees F.
Monday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Monday at about 17 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 5:16 PM EDT
- Coverage
- 3 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 showers likely before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
A slight chance of rain and snow showers before 8am. Mostly sunny, with a high near 51.
Mostly clear, with a low around 35.
Sunny, with a high near 56.
Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Rain Showers Likely
|
60°F |
9 to 15 mph
W
|
|
Sunday Night
Apr 19
|
Rain Showers Likely then Slight Chance Rain And Snow Showers
|
39°F |
15 mph
NW
|
|
Monday
Apr 20
|
Slight Chance Rain And Snow Showers then Mostly Sunny
|
51°F |
17 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
35°F |
10 to 17 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
56°F |
9 to 14 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
46°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Locust Valley.