West Islip

Pennington County, New York, United States

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Current Weather

18°

Clear

Feels Like: 28°

Min: 13°

Max: 21°

The next few hours will be clear, with tomorrow reaching 25°C and dropping to 11°C. The coming days will be drizzle

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Hourly Forecast

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Today
Tomorrow

Daylight Hours

06:40

Sunrise

18:55

Sunset

12 hours 15 minutes of sunlight today

Moon

Waxing Crescent

11:28

Moonrise

20:27

Moonset

Daily Forecast

Today

13°
21°

Wednesday

14°
25°

Thursday

25°

Friday

29°

Saturday

11°
32°

Sunday

11°
32°

Monday

12°
32°

Tuesday

12°
32°

Wednesday

11°
23°

Thursday

17°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

64% Comfortable
Low High

Weather in West Islip tomorrow, September 16, 2026

West Islip starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The morning sky stays heavily clouded, with cover near 100% around 06:00. Grey conditions set the early tone before any later change.

Expect highs of 25°C and cooler readings close to 14°C. The air stays humid, with relative humidity between 36% and 90% and the peak around 06:00. Airflow remains manageable, reaching about 3.6 km/h around 01:00.

Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Visibility stays near 16.1 km. Daylight runs from 06:41 to 18:53, lasting 12 hours 12 minutes of sunlight today.

Taken together, settled sunshine in West Islip on September 16, 2026 makes outdoor timing easier, with highs near 25°C.

Frequently asked questions about weather in West Islip

How warm does it get in West Islip?

The warmest month in West Islip is July, with average high temperatures of 26°C. The average temperature during this period is around 24°C.

How cold does it get in West Islip?

The coldest month in West Islip is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.

What is the wettest time of year in West Islip?

The wettest month in West Islip is December, with an average of 133mm of precipitation.

What is the driest time of year in West Islip?

The driest month in West Islip is June, with an average of 74mm of precipitation.

View full climate insights for West Islip →

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Metric (°C, km/h)