Nearby locations
Islip, New York, United States
East Islip, New York, United States
Islip Terrace, New York, United States
Nearby popular places
Upper Winganhauppauge Lake, United States
Pardees Ponds, United States
Lower Winganhauppauge Lake, United States

Weather in Islip, United States

26°
Clear
Feels like 26°
·
High27°Low14°

Weather Advisories

High UV Index
Tomorrow 12:00
Extremely Humid
Monday evening
Light rain
Tuesday morning
Low Visibility
Tuesday morning
Strong Wind
Tuesday afternoon
Rain
August 2
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Air quality

Full Details
0
43
500
Air quality:Good

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Tomorrow's weather summary

The weather in Islip on Saturday, July 25th, is going to be clear for most of the day.

Also, there's a high chance of cloud overcast before dawn, at about 12 am.

Weather details for Islip, on Saturday, July 25th:

The maximum temperature of the day is going to be 26°C at about 11 am. The day will have high relative humidity, with average humidity of 62%, ranging from 41% to a maximum value of 89% at about 6 am. The wind will be breezy, and will get up to 23 km/h at 2 pm, blowing from the east. The cloud coverage will range from 0% around 10 am to as high as 100% around 3 am with an average of 21%.

There is no probability for any precipitation throughout the day. The dew point will range from 11°C up to a maximum value of 15°C around 3 am.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be high with average pressure of 1020 hPa. Sunrise will be at 5:42 am, and sunset at 8:15 pm, making it a total of 14 hours and 33 minutes of daylight.

Air quality forecast for Islip, on Saturday, July 25th:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 54 and 59.

Pollen forecast for Islip, on Saturday, July 25th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in Islip on Sunday, July 26th, is going to be clear throughout the day.

Also, there's a high chance of cloud overcast before dawn, around 4 am.

Weather details for Islip, on Sunday, July 26th:

The highest temperature of the day is going to be 23°C at about 11 am. The day will be humid, with average humidity of 69%, ranging from 54% to a maximum value of 89% at about 5 am. The wind will be breezy, and will get up to 20 km/h at 2 pm, blowing from the south-east. The cloud coverage will range from 0% around midnight to as high as 100% around 6 am with an average of 16%.

There is no probability for any precipitation throughout the day. The dew point will range from 13°C up to a maximum value of 16°C around 10 pm.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 5:43 am, and sunset at 8:14 pm. The day will have 14 hours and 31 minutes of daylight.

Air quality forecast for Islip, on Sunday, July 26th:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 52 and 57.

Pollen forecast for Islip, on Sunday, July 26th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

FAQ

How warm does it get in Islip?
The average annual highest temperature in Islip is 27.0°C (80.6°F), and the July 19th is the hottest day on average.
How cold does it get in Islip?
The average annual lowest temperature in Islip is -4.1°C (24.6°F), and the January 31st is the coldest day on average.
Which month has the most rain in Islip?
The wettest months in Islip are October and December.
What months does it snow in Islip?
The most common time of year for snow is February, January, March and December.