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 63, with temperatures falling to around 60 in the afternoon. East wind around 8 mph.
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: Oct 15, 2026 4:36 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Lake Success, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 4:36 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 74 degrees F.
Saturday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Friday Night at about 13 to 18 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 4:36 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
Rain showers after 2am. Mostly cloudy. Low around 57, with temperatures rising to around 59 overnight. Southeast wind 8 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 74, with temperatures falling to around 72 in the afternoon. South wind 12 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. West wind 13 to 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 8am. Partly sunny. High near 55, with temperatures falling to around 53 in the afternoon. Northwest wind around 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 42.
Sunny, with a high near 58.
A slight chance of rain showers after 8pm. Mostly clear, with a low around 49.
A slight chance of rain showers before 8am. Sunny, with a high near 61.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 53.
Sunny, with a high near 63.
Mostly clear, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Sunny
|
63°F |
8 mph
E
|
|
Tonight
Oct 15
|
Mostly Cloudy then Rain Showers
|
57°F |
8 to 15 mph
SE
|
|
Friday
Oct 16
|
Rain Showers
|
74°F |
12 to 15 mph
S
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms
|
49°F |
13 to 18 mph
W
|
|
Saturday
Oct 17
|
Chance Rain Showers then Partly Sunny
|
55°F |
18 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
42°F |
10 to 16 mph
N
|
|
Sunday
Oct 18
|
Sunny
|
58°F |
10 mph
NW
|
|
Sunday Night
Oct 18
|
Slight Chance Rain Showers
|
49°F |
12 mph
W
|
|
Monday
Oct 19
|
Slight Chance Rain Showers then Sunny
|
61°F |
12 mph
E
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
52°F |
12 mph
W
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
64°F |
9 mph
NW
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
53°F |
6 to 12 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
63°F |
12 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
52°F |
9 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Success.
