Lake Success, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Success, NY in one place.
Mostly sunny. High near 91, with temperatures falling to around 86 in the afternoon.
Local Weather Overview
This forecast page for Lake Success, 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 14, 2026 8:58 PM EDT.
The active forecast window currently covers Jul 17 to Jul 21, 2026 for Lake Success, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:58 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Success
Friday looks like the warmest upcoming period in Lake Success at 91 degrees F.
Friday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Tuesday at about 9 to 16 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:58 PM EDT
- Coverage
- 5 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
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71.
A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Mostly Sunny
|
91°F |
5 to 10 mph
NE
|
|
Friday Night
Jul 17
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
S
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
79°F |
6 to 14 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
71°F |
9 to 14 mph
SW
|
|
Sunday
Jul 19
|
Chance Rain Showers
|
82°F |
10 mph
SW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
71°F |
7 to 10 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
7 to 13 mph
E
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
72°F |
9 to 13 mph
S
|
|
Tuesday
Jul 21
|
Chance Rain Showers
|
82°F |
9 to 16 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Success.
