10-day forecast for West Islip, NY: 36° to 61°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
61°
Best day: Wednesday, November 11
49° · 0.54 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1261° / 50°0.46
Morning58°feels 57°
Afternoon56°feels 55°
Evening51°feels 50°
Overnight53°feels 52°
61 °
West Islip, Thursday, 12 November
Heavy rain. High 61°, low 50°.
Pressure29.53 inHg
Wind10.2 mph E
Humidity74%
Visibility6.2 mi
Dew point50°
Fri, 1350° / 39°0.13
Morning44°feels 38°
Afternoon42°feels 36°
Evening40°feels 34°
Overnight47°feels 42°
50 °
West Islip, Friday, 13 November
Light rain. High 50°, low 39°.
Pressure29.53 inHg
Wind11.3 mph N
Humidity83%
Visibility3.8 mi
Dew point38°
Sat, 1446° / 37°0
Morning39°feels 33°
Afternoon45°feels 40°
Evening40°feels 36°
Overnight39°feels 34°
46 °
West Islip, Saturday, 14 November
Overcast. High 46°, low 37°.
Pressure29.80 inHg
Wind10.3 mph NW
Humidity59%
Visibility6.2 mi
Dew point28°
Sun, 1549° / 37°0
Morning40°feels 35°
Afternoon46°feels 42°
Evening46°feels 42°
Overnight37°feels 32°
49 °
West Islip, Sunday, 15 November
Partly cloudy. High 49°, low 37°.
Pressure30.09 inHg
Wind8.2 mph NW
Humidity61%
Visibility6.2 mi
Dew point35°
Mon, 1648° / 36°0
Morning39°feels 35°
Afternoon44°feels 41°
Evening46°feels 44°
Overnight42°feels 39°
48 °
West Islip, Monday, 16 November
Clear. High 48°, low 36°.
Pressure30.39 inHg
Wind7.3 mph NW
Humidity64%
Visibility—
Dew point32°
Tue, 1751° / 43°0
Morning44°feels 41°
Afternoon47°feels 45°
Evening50°feels 47°
Overnight47°feels 43°
51 °
West Islip, Tuesday, 17 November
Overcast. High 51°, low 43°.
Pressure30.42 inHg
Wind9.1 mph NE
Humidity55%
Visibility—
Dew point31°
Wed, 1849° / 47°0.54
Morning48°feels 42°
Afternoon48°feels 42°
Evening48°feels 41°
Overnight47°feels 40°
49 °
West Islip, Wednesday, 18 November
Rain. High 49°, low 47°.
Pressure30.12 inHg
Wind27.9 mph NE
Humidity72%
Visibility—
Dew point40°
Thu, 1953° / 48°0.41
Morning49°feels 41°
Afternoon49°feels 43°
Evening52°feels 49°
Overnight52°feels 48°
53 °
West Islip, Thursday, 19 November
Rain. High 53°, low 48°.
Pressure29.94 inHg
Wind26.1 mph NE
Humidity74%
Visibility—
Dew point41°
Fri, 2052° / 48°0.06
Morning51°feels 48°
Afternoon48°feels 44°
Evening49°feels 47°
Overnight48°feels 47°
52 °
West Islip, Friday, 20 November
Light rain. High 52°, low 48°.
Pressure29.91 inHg
Wind11.7 mph N
Humidity80%
Visibility—
Dew point43°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in West Islip, NY around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.