Islandia, NY Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Mostly Clear 27°F
Feels Like 24°F  
Humidity 53% Dew Point 12°F Wind SW 3 MPH Gusts 11 Barometer 29.89 in.
Report from a MADIS/MESONET weather station 2.5 mi. NNW of central Islandia
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Point Forecast at a Glance

ThuDec 11
Thu Dec 11: Mostly Clear, Low 25F
 
25
FriDec 12
Fri Dec 12: Sunny, High 34F, Low 23F
34
23
SatDec 13
Sat Dec 13: Mostly Cloudy, High 40F, Low 27F
40
27
SunDec 14
Sun Dec 14: Snow, High 32F, Low 16F
70%
32
16
MonDec 15
Mon Dec 15: Mostly Sunny, High 30F, Low 21F
30
21
TueDec 16
Tue Dec 16: Mostly Sunny, High 33F, Low 24F
33
24
WedDec 17
Wed Dec 17: Partly Sunny, High 42F, Low 33F
42
33

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 30°F to 42°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 6°F below the historical average for December. Normal highs for this period are around 44°F with lows around 30°F.

This Date in Weather History

1989 - Strong Santa Ana winds developed across southern California and parts of central California. Winds in Kern County of central California gusted to 100 mph near Grapevine. The high winds reduced visibilities to near zero in the desert areas, closing major interstate highways east of Ontario CA.

More on this and other weather history

Islandia, NY 7 Day Weather Forecast Details

Thursday Dec 11

Mostly Clear

Night: Mostly clear, with a steady temperature around 25. Wind chill values between 10 and 15. West wind around 16 mph, with gusts as high as 29 mph.

Friday Dec 12

Sunny

Day: Sunny, with a high near 34. Wind chill values between 10 and 20. West wind 10 to 14 mph.

Mostly Clear

Night: Mostly clear, with a low around 23. West wind around 6 mph becoming calm after midnight.

Saturday Dec 13

Mostly Cloudy

Day: Mostly cloudy, with a high near 40. Wind chill values between 20 and 30. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Rain And Snow

Night: A chance of rain and snow before 1am, then snow. Low around 27. West wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Sunday Dec 14

Snow

Day: Snow likely before 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 32 by 10am, then falling to around 26 during the remainder of the day. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Partly Cloudy

Night: Partly cloudy, with a low around 16.

Monday Dec 15

Mostly Sunny

Day: Mostly sunny, with a high near 30.

Mostly Cloudy

Night: Mostly cloudy, with a low around 21.

Tuesday Dec 16

Mostly Sunny

Day: Mostly sunny, with a high near 33.

Mostly Cloudy

Night: Mostly cloudy, with a low around 24.

Wednesday Dec 17

Partly Sunny

Day: Partly sunny, with a high near 42.

Mostly Cloudy

Night: Mostly cloudy, with a low around 33.

Thursday Dec 18

Mostly Cloudy

Day: Mostly cloudy, with a high near 51.


About Islandia, NY

Islandia is a village in the northern part of the Town of Islip in Suffolk County, on Long Island, in New York, United States. The population was 3,567 at the time of the 2020 census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.