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Weather in West Islip, United States 🇺🇸

Current Weather in West Islip

Coastal Flood Statement issued September 6 at 2:37AM EDT until September 6 at 6:00PM EDT by NWS Upton NY
Sunny
25°C
Feels like 25°C. Sunny.
🌬️ 6 km/h NNE
💧 49% Humidity
🧭 1015 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 2.4
🌡️ Dew Point: 13°C
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:17 PM
Map Overlays:

The current temperature in West Islip is 25°C, sunny, feeling like 25°C. Relative humidity is 49%, with winds around 6 km/h, and the UV index is 2 (low). Across the coming days, West Islip should see roughly 17°C to 28°C. ⚠️ Coastal Flood Statement issued September 6 at 2:37AM EDT until September 6 at 6:00PM EDT by NWS Upton NY

Hourly Forecast for West Islip

17:00
Patchy rain nearby
23°
12%
18:00
Patchy rain nearby
22°
17%
19:00
Patchy rain nearby
21°
10%
20:00
Clear
20°
4%
21:00
Patchy rain nearby
20°
12%
22:00
Clear
20°
4%
23:00
Clear
19°
5%
00:00
Clear
19°
5%
01:00
Clear
19°
3%
02:00
Clear
18°
3%
03:00
Clear
18°
3%
04:00
Clear
18°
3%
05:00
Clear
18°
3%
06:00
Clear
17°
4%
07:00
Sunny
17°
4%
08:00
Sunny
19°
3%
09:00
Sunny
20°
2%
10:00
Sunny
22°
1%
11:00
Sunny
24°
1%
12:00
Sunny
25°
1%
13:00
Sunny
25°
1%
14:00
Sunny
26°
0%
15:00
Sunny
26°
0%
16:00
Sunny
26°
1%

14-Day Forecast for West Islip

Sun, Sep 06
Sunny Sunny
25° / 17°
Mon, Sep 07
Sunny Sunny
26° / 17°
Tue, Sep 08
Overcast Overcast
28° / 20°
Wed, Sep 09
Overcast Overcast
26° / 22°
Thu, Sep 10
Overcast Overcast
30° / 23°
Fri, Sep 11
Overcast Overcast
26° / 21°
Sat, Sep 12
Sunny Sunny
26° / 19°
Sun, Sep 13
Sunny Sunny
26° / 21°
Mon, Sep 14
Sunny Sunny
27° / 22°
Tue, Sep 15
Sunny Sunny
24° / 18°
Wed, Sep 16
Sunny Sunny
23° / 16°
Thu, Sep 17
Overcast Overcast
22° / 19°
Fri, Sep 18
Overcast Overcast
25° / 20°
Sat, Sep 19
Patchy rain nearby Patchy rain nearby
21° / 18°

Additional Forecasts for West Islip

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 124.0 μg/m³
O₃ (Ozone) 85.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.6 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 3.6 μg/m³
PM10 (Coarse particles) 4.6 μg/m³

Historical Weather

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Best Time to Be Outside in West Islip Tomorrow

There is no good daylight window left in West Islip today. Tomorrow, the most comfortable window looks like 08:00 to 11:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in West Islip

What is the temperature in West Islip right now?

West Islip is sitting at 25°C (77°F) right now, sunny (feels like 25°C).

What's the weather like in West Islip right now?

Current weather in West Islip: Sunny, humidity 49%, wind 6 km/h NNE.

What is today's forecast for West Islip?

Today in West Islip: high 25°C, low 17°C, sunny. Chance of rain: 17%.

What is the 7-day weather forecast for West Islip?

Daily highs and lows for West Islip:

  • 2026-09-06: 25°C / 17°C
  • 2026-09-07: 26°C / 17°C
  • 2026-09-08: 28°C / 20°C
  • 2026-09-09: 26°C / 22°C
  • 2026-09-10: 30°C / 23°C
  • 2026-09-11: 26°C / 21°C
  • 2026-09-12: 26°C / 19°C
Is it going to rain in West Islip today?

There is a 17% chance of rain in West Islip today. Total expected precipitation: 0.12 mm.

What is the wind speed in West Islip right now?

Wind in West Islip is currently 6 km/h (4 mph) from the NNE.

What is the UV index in West Islip right now?

The UV index in West Islip is currently 2.4 (low). Sun protection is recommended when the index is 3 or higher.

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