Islandia, 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 Islandia, 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 77, with temperatures falling to around 75 in the afternoon. South wind 10 to 20 mph, with gusts as high as 30 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 Islandia, 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 11:23 AM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Islandia, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 11:23 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Islandia
Wednesday looks like the warmest upcoming period in Islandia at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday Night at about 15 to 21 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 11:23 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. Mostly cloudy. Low around 72, with temperatures rising to around 74 overnight. Southwest wind 15 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 80. Northwest wind 9 to 15 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 68.
Sunny, with a high near 77.
Partly cloudy, with a low around 70.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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 82. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.
Sunny, with a high near 80.
Partly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Areas Of Smoke then Patchy Smoke
|
77°F |
10 to 20 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
72°F |
15 to 21 mph
SW
|
|
Sunday
Jul 19
|
Slight Chance Rain Showers then Mostly Sunny
|
80°F |
9 to 15 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
68°F |
6 to 9 mph
NW
|
|
Monday
Jul 20
|
Sunny
|
77°F |
5 to 10 mph
E
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
70°F |
10 mph
S
|
|
Tuesday
Jul 21
|
Partly Sunny then Chance Showers And Thunderstorms
|
80°F |
9 to 18 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
72°F |
21 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely then Slight Chance Showers And Thunderstorms
|
82°F |
15 to 18 mph
SW
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms
|
69°F |
10 to 14 mph
NW
|
|
Thursday
Jul 23
|
Sunny
|
80°F |
10 mph
NW
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
69°F |
8 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Islandia.
