10-day forecast for West Islip, NY: 40° to 74°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Wednesday, November 4
66° · 1.22 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0574° / 58°0.07
Morning64°feels 64°
Afternoon65°feels 66°
Evening65°feels 66°
Overnight60°feels 60°
74 °
West Islip, Thursday, 5 November
Light rain. High 74°, low 58°.
Pressure29.94 inHg
Wind9.5 mph S
Humidity73%
Visibility6.2 mi
Dew point61°
Fri, 0666° / 60°1.22
Morning64°feels 65°
Afternoon65°feels 66°
Evening61°feels 62°
Overnight63°feels 63°
66 °
West Islip, Friday, 6 November
Heavy rain. High 66°, low 60°.
Pressure29.88 inHg
Wind2.5 mph S
Humidity95%
Visibility1.3 mi
Dew point65°
Sat, 0766° / 49°0.14
Morning59°feels 59°
Afternoon64°feels 63°
Evening51°feels 49°
Overnight59°feels 59°
66 °
West Islip, Saturday, 7 November
Rain. High 66°, low 49°.
Pressure29.77 inHg
Wind5.8 mph W
Humidity67%
Visibility6.2 mi
Dew point53°
Sun, 0858° / 44°0
Morning47°feels 44°
Afternoon54°feels 52°
Evening55°feels 53°
Overnight47°feels 45°
58 °
West Islip, Sunday, 8 November
Clear. High 58°, low 44°.
Pressure29.83 inHg
Wind10.8 mph W
Humidity64%
Visibility—
Dew point40°
Mon, 0956° / 40°0
Morning42°feels 38°
Afternoon47°feels 44°
Evening56°feels 54°
Overnight52°feels 49°
56 °
West Islip, Monday, 9 November
Overcast. High 56°, low 40°.
Pressure29.80 inHg
Wind10.5 mph NW
Humidity78%
Visibility—
Dew point38°
Tue, 1062° / 52°0
Morning54°feels 52°
Afternoon58°feels 56°
Evening61°feels 58°
Overnight56°feels 54°
62 °
West Islip, Tuesday, 10 November
Clear. High 62°, low 52°.
Pressure30.00 inHg
Wind15.8 mph SW
Humidity40%
Visibility—
Dew point33°
Wed, 1159° / 50°0
Morning54°feels 52°
Afternoon56°feels 54°
Evening56°feels 53°
Overnight51°feels 48°
59 °
West Islip, Wednesday, 11 November
Clear. High 59°, low 50°.
Pressure30.00 inHg
Wind13.2 mph NW
Humidity45%
Visibility—
Dew point35°
Thu, 1249° / 43°0
Morning44°feels 41°
Afternoon45°feels 43°
Evening48°feels 45°
Overnight48°feels 46°
49 °
West Islip, Thursday, 12 November
Overcast. High 49°, low 43°.
Pressure30.15 inHg
Wind8.1 mph N
Humidity43%
Visibility—
Dew point23°
Fri, 1353° / 47°0
Morning49°feels 46°
Afternoon50°feels 48°
Evening52°feels 49°
Overnight50°feels 47°
53 °
West Islip, Friday, 13 November
Overcast. High 53°, low 47°.
Pressure29.94 inHg
Wind7.7 mph W
Humidity47%
Visibility—
Dew point30°
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.