Islandia, NY Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Islandia, NY in one place.
Mostly cloudy, with a high near 53. North wind around 23 mph.
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: Oct 17, 2026 1:16 PM EDT.
The active forecast window currently covers Oct 17 to Oct 23, 2026 for Islandia, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 1:16 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Islandia
Tuesday looks like the warmest upcoming period in Islandia at 63 degrees F.
Tonight is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Tuesday Night at about 16 to 28 mph NE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 17, 2026 1:16 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
Mostly clear. Low around 43, with temperatures rising to around 45 overnight. North wind 17 to 22 mph.
Sunny, with a high near 55. Northeast wind 8 to 17 mph.
Mostly clear, with a low around 50. Northeast wind 7 to 14 mph.
Mostly sunny, with a high near 59. Northeast wind around 17 mph.
Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight.
Partly sunny, with a high near 63.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 61.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 50.
A slight chance of rain showers. Mostly cloudy, with a high near 60.
A slight chance of rain showers before 2am. Mostly cloudy, with a low around 53.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 17
|
Mostly Cloudy
|
53°F |
23 mph
N
|
|
Tonight
Oct 17
|
Mostly Clear
|
43°F |
17 to 22 mph
N
|
|
Sunday
Oct 18
|
Sunny
|
55°F |
8 to 17 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
50°F |
7 to 14 mph
NE
|
|
Monday
Oct 19
|
Mostly Sunny
|
59°F |
17 mph
NE
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
51°F |
16 to 24 mph
NE
|
|
Tuesday
Oct 20
|
Partly Sunny
|
63°F |
16 to 24 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
53°F |
16 to 28 mph
NE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
61°F |
22 to 28 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Cloudy then Slight Chance Rain Showers
|
50°F |
23 to 26 mph
NE
|
|
Thursday
Oct 22
|
Slight Chance Rain Showers
|
60°F |
16 to 25 mph
NE
|
|
Thursday Night
Oct 22
|
Slight Chance Rain Showers
|
53°F |
14 to 18 mph
NE
|
|
Friday
Oct 23
|
Mostly Sunny
|
62°F |
15 to 18 mph
NE
|
|
Friday Night
Oct 23
|
Partly Cloudy
|
52°F |
15 to 23 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Islandia.
