Islandia, NY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Islandia, NY in one place.
Partly sunny, with a high near 61.
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: Apr 15, 2026 4:36 PM EDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for Islandia, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 4:36 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Islandia
Saturday looks like the warmest upcoming period in Islandia at 61 degrees F.
Monday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Monday at about 9 to 13 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 4:36 PM EDT
- Coverage
- 4 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 chance of rain showers after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Rain showers likely. Cloudy, with a high near 58. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 50.
Mostly clear, with a low around 34.
Sunny, with a high near 54.
Partly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Partly Sunny
|
61°F |
3 to 8 mph
E
|
|
Saturday Night
Apr 18
|
Mostly Cloudy then Chance Rain Showers
|
46°F |
6 mph
SE
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
58°F |
5 to 12 mph
W
|
|
Sunday Night
Apr 19
|
Rain Showers Likely
|
37°F |
9 mph
W
|
|
Monday
Apr 20
|
Slight Chance Rain Showers then Mostly Sunny
|
50°F |
9 to 13 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
34°F |
6 to 10 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
54°F |
6 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
43°F |
7 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Islandia.
