Greenlawn, NY Weather Forecast
Local 7-day forecast
Areas Of Smoke then Patchy Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Greenlawn, NY in one place.
Areas of smoke before 11am, then areas of smoke and a chance of rain showers between 11am and 2pm, then patchy smoke and showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 77 in the afternoon. South wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Greenlawn, 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 17, 2026 8:22 AM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Greenlawn, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 8:22 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenlawn
Wednesday looks like the warmest upcoming period in Greenlawn at 86 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 6 to 16 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 8:22 AM EDT
- 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
Showers and thunderstorms before 2am. Mostly cloudy. Low around 72, with temperatures rising to around 74 overnight. Southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Mostly sunny, with a high near 83. Northwest wind 8 to 12 mph.
Mostly clear, with a low around 66.
Sunny, with a high near 82.
Partly cloudy, with a low around 69.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 80%.
Rain showers likely before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.
Sunny, with a high near 83.
Partly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Areas Of Smoke then Patchy Smoke
|
79°F |
6 to 16 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
72°F |
9 to 15 mph
SW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
83°F |
8 to 12 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
66°F |
3 to 7 mph
N
|
|
Monday
Jul 20
|
Sunny
|
82°F |
3 to 9 mph
E
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
69°F |
6 to 9 mph
S
|
|
Tuesday
Jul 21
|
Partly Sunny then Chance Showers And Thunderstorms
|
84°F |
6 to 15 mph
S
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
72°F |
12 to 15 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely then Slight Chance Showers And Thunderstorms
|
86°F |
13 mph
W
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
6 to 10 mph
NW
|
|
Thursday
Jul 23
|
Sunny
|
83°F |
8 mph
NW
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
68°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenlawn.