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Weather in East Setauket, United States 🇺🇸

Weather Forecast in East Setauket

Current Weather in East Setauket

Small Craft Advisory issued July 18 at 2:32AM EDT until July 19 at 12:00AM EDT by NWS Upton NY
Light rain
23°C
Feels like 25°C. Light rain.
🌬️ 22 km/h SSW
💧 94% Humidity
🧭 1008 hPa
👁️ 4.8 km Visibility
☀️ UV Index: 0.3
🌡️ Dew Point: 23°C
🌅 Sunrise: 05:36 AM
🌇 Sunset: 08:21 PM
Map Overlays:

In East Setauket right now it is 23°C and light rain, feeling like 25°C. Humidity is 94% with winds around 22 km/h, and the UV index is 0 (low). Over the next few days, temperatures in East Setauket range from about 19°C to 29°C. ⚠️ Small Craft Advisory issued July 18 at 2:32AM EDT until July 19 at 12:00AM EDT by NWS Upton NY

Hourly Forecast for East Setauket

19:00
Patchy rain nearby
24°
31%
20:00
Overcast
24°
29%
21:00
Patchy rain nearby
23°
82%
22:00
Patchy rain nearby
22°
25%
23:00
Patchy rain nearby
21°
51%
00:00
Patchy rain nearby
21°
34%
01:00
Patchy rain nearby
22°
27%
02:00
Clear
22°
15%
03:00
Clear
22°
12%
04:00
Clear
22°
10%
05:00
Clear
22°
10%
06:00
Sunny
22°
10%
07:00
Sunny
22°
10%
08:00
Partly Cloudy
22°
16%
09:00
Sunny
22°
6%
10:00
Sunny
22°
4%
11:00
Sunny
23°
3%
12:00
Sunny
24°
2%
13:00
Sunny
24°
2%
14:00
Sunny
25°
2%
15:00
Sunny
25°
1%
16:00
Sunny
26°
2%
17:00
Sunny
26°
2%
18:00
Sunny
25°
2%

14-Day Forecast for East Setauket

Sat, Jul 18
Smoky haze Smoky haze
29° / 21°
Sun, Jul 19
Sunny Sunny
26° / 21°
Mon, Jul 20
Sunny Sunny
25° / 19°
Tue, Jul 21
Sunny Sunny
25° / 22°
Wed, Jul 22
Partly Cloudy Partly Cloudy
27° / 22°
Thu, Jul 23
Sunny Sunny
25° / 18°
Fri, Jul 24
Sunny Sunny
25° / 20°
Sat, Jul 25
Sunny Sunny
24° / 19°
Sun, Jul 26
Light drizzle Light drizzle
19° / 17°
Mon, Jul 27
Sunny Sunny
24° / 19°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
23° / 20°
Wed, Jul 29
Light rain shower Light rain shower
22° / 20°
Thu, Jul 30
Patchy rain nearby Patchy rain nearby
22° / 21°
Fri, Jul 31
Patchy rain nearby Patchy rain nearby
23° / 20°

Additional Forecasts for East Setauket

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 135.0 μg/m³
O₃ (Ozone) 117.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.5 μg/m³
SO₂ (Sulphur Dioxide) 0.8 μg/m³
PM2.5 (Fine particles) 23.2 μg/m³
PM10 (Coarse particles) 27.1 μg/m³

Historical Weather

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Best Time to Be Outside in East Setauket Tomorrow

There is no good daylight window left in East Setauket today. Tomorrow, the most comfortable window looks like 09:00 to 11:00, when it is around 22°C. It should stay dry through that window. The next likely rain is around 21:00.

Frequently Asked Questions about Weather in East Setauket

What is the temperature in East Setauket right now?

The current temperature in East Setauket is 23°C (73°F), light rain (feels like 25°C).

What's the weather like in East Setauket right now?

Conditions in East Setauket right now: Light rain, humidity 94%, wind 22 km/h SSW.

What is today's forecast for East Setauket?

Today in East Setauket: high 29°C, low 21°C, smoky haze. Chance of rain: 76%.

What is the 7-day weather forecast for East Setauket?

Daily highs and lows for East Setauket:

  • 2026-07-18: 29°C / 21°C
  • 2026-07-19: 26°C / 21°C
  • 2026-07-20: 25°C / 19°C
  • 2026-07-21: 25°C / 22°C
  • 2026-07-22: 27°C / 22°C
  • 2026-07-23: 25°C / 18°C
  • 2026-07-24: 25°C / 20°C
Is it going to rain in East Setauket today?

There is a 76% chance of rain in East Setauket today. Total expected precipitation: 8.09 mm.

What is the wind speed in East Setauket right now?

Wind in East Setauket is currently 22 km/h (14 mph) from the SSW.

What is the UV index in East Setauket right now?

The UV index in East Setauket is currently 0.3 (low). Sun protection is recommended when the index is 3 or higher.

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