Central Islip, NY Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Central Islip, NY in one place.
A chance of rain showers before 2pm. Mostly cloudy, with a high near 54. South wind 9 to 14 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Central Islip, 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 20, 2026 10:13 AM EDT.
The active forecast window currently covers Apr 22 to Apr 26, 2026 for Central Islip, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 10:13 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Central Islip
Thursday looks like the warmest upcoming period in Central Islip at 58 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Wednesday at about 9 to 14 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 10:13 AM EDT
- Coverage
- 5 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
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 58.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 48.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 55.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 47.
A chance of rain showers. Partly sunny, with a high near 52. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
54°F |
9 to 14 mph
S
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
47°F |
8 mph
NE
|
|
Thursday
Apr 23
|
Mostly Sunny
|
58°F |
6 to 9 mph
NW
|
|
Thursday Night
Apr 23
|
Mostly Cloudy then Slight Chance Rain Showers
|
48°F |
9 mph
W
|
|
Friday
Apr 24
|
Slight Chance Rain Showers then Mostly Sunny
|
55°F |
9 mph
NE
|
|
Friday Night
Apr 24
|
Partly Cloudy then Slight Chance Rain Showers
|
47°F |
9 mph
SE
|
|
Saturday
Apr 25
|
Chance Rain Showers
|
52°F |
9 to 13 mph
E
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
46°F |
13 mph
E
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
53°F |
14 mph
E
|
|
Sunday Night
Apr 26
|
Chance Rain Showers
|
47°F |
13 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Central Islip.