Central Islip, NY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Central Islip, NY in one place.
Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. Northeast wind 22 to 28 mph, with gusts as high as 41 mph.
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: Sep 22, 2026 11:59 AM EDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Central Islip, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 11:59 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Central Islip
Sunday looks like the warmest upcoming period in Central Islip at 67 degrees F.
Thursday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday Night at about 22 to 30 mph N.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 11:59 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
Mostly cloudy, with a low around 57. Northeast wind 22 to 25 mph, with gusts as high as 37 mph.
Partly sunny, with a high near 65. Northeast wind 18 to 25 mph, with gusts as high as 37 mph.
A chance of rain showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 50%.
A slight chance of rain showers. Mostly cloudy, with a low around 60.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 67.
Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Partly Sunny
|
66°F |
22 to 28 mph
NE
|
|
Wednesday Night
Sep 23
|
Mostly Cloudy
|
57°F |
22 to 25 mph
NE
|
|
Thursday
Sep 24
|
Partly Sunny
|
65°F |
18 to 25 mph
NE
|
|
Thursday Night
Sep 24
|
Mostly Cloudy then Chance Rain Showers
|
56°F |
18 to 22 mph
NE
|
|
Friday
Sep 25
|
Chance Rain Showers
|
65°F |
21 to 25 mph
N
|
|
Friday Night
Sep 25
|
Chance Rain Showers
|
58°F |
22 to 30 mph
N
|
|
Saturday
Sep 26
|
Rain Showers Likely
|
65°F |
21 to 30 mph
N
|
|
Saturday Night
Sep 26
|
Rain Showers Likely
|
59°F |
24 mph
N
|
|
Sunday
Sep 27
|
Chance Rain Showers
|
67°F |
16 to 23 mph
N
|
|
Sunday Night
Sep 27
|
Slight Chance Rain Showers
|
60°F |
16 mph
N
|
|
Monday
Sep 28
|
Slight Chance Rain Showers then Mostly Sunny
|
67°F |
15 mph
N
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
60°F |
12 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Central Islip.