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Weather in Mastic Beach, United States 🇺🇸

Weather Forecast in Mastic Beach

Current Weather in Mastic Beach

Small Craft Advisory issued July 20 at 2:33PM EDT until July 22 at 6:00PM EDT by NWS Upton NY
Sunny
24°C
Feels like 26°C. Sunny.
🌬️ 14 km/h S
💧 56% Humidity
🧭 1015 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.3
🌡️ Dew Point: 17°C
🌅 Sunrise: 05:37 AM
🌇 Sunset: 08:18 PM
Map Overlays:

Mastic Beach currently sits at 24°C, sunny, feeling like 26°C. Humidity is 56% with winds around 14 km/h, and the UV index is 0 (low). The next few days in Mastic Beach look set for about 16°C up to 28°C. ⚠️ Small Craft Advisory issued July 20 at 2:33PM EDT until July 22 at 6:00PM EDT by NWS Upton NY

Hourly Forecast for Mastic Beach

20:00
Sunny
21°
5%
21:00
Clear
19°
7%
22:00
Clear
19°
7%
23:00
Clear
18°
7%
00:00
Clear
18°
8%
01:00
Clear
18°
9%
02:00
Clear
18°
9%
03:00
Clear
18°
8%
04:00
Clear
18°
10%
05:00
Clear
18°
10%
06:00
Sunny
18°
10%
07:00
Sunny
20°
11%
08:00
Sunny
23°
9%
09:00
Sunny
23°
9%
10:00
Sunny
24°
10%
11:00
Partly Cloudy
24°
12%
12:00
Patchy rain nearby
24°
27%
13:00
Patchy rain nearby
24°
22%
14:00
Patchy rain nearby
25°
21%
15:00
Patchy rain nearby
25°
21%
16:00
Light rain
24°
61%
17:00
Light rain shower
24°
69%
18:00
Partly Cloudy
24°
17%
19:00
Moderate rain
23°
89%

14-Day Forecast for Mastic Beach

Mon, Jul 20
Sunny Sunny
28° / 16°
Tue, Jul 21
Sunny Sunny
25° / 18°
Wed, Jul 22
Partly Cloudy Partly Cloudy
27° / 22°
Thu, Jul 23
Sunny Sunny
25° / 18°
Fri, Jul 24
Sunny Sunny
24° / 19°
Sat, Jul 25
Sunny Sunny
23° / 20°
Sun, Jul 26
Sunny Sunny
23° / 18°
Mon, Jul 27
Sunny Sunny
24° / 20°
Tue, Jul 28
Light rain shower Light rain shower
26° / 21°
Wed, Jul 29
Sunny Sunny
24° / 20°
Thu, Jul 30
Sunny Sunny
24° / 19°
Fri, Jul 31
Sunny Sunny
24° / 21°
Sat, Aug 01
Sunny Sunny
26° / 22°
Sun, Aug 02
Sunny Sunny
26° / 23°

Additional Forecasts for Mastic Beach

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 124.0 μg/m³
O₃ (Ozone) 109.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.0 μg/m³
SO₂ (Sulphur Dioxide) 0.9 μg/m³
PM2.5 (Fine particles) 7.2 μg/m³
PM10 (Coarse particles) 8.6 μg/m³

Historical Weather

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Best Time to Be Outside in Mastic Beach Today

The most comfortable window in Mastic Beach today looks like 20:00 to 07:00, when it is around 20°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Mastic Beach

What is the temperature in Mastic Beach right now?

The current temperature in Mastic Beach is 24°C (76°F), sunny (feels like 26°C).

What's the weather like in Mastic Beach right now?

Current weather in Mastic Beach: Sunny, humidity 56%, wind 14 km/h S.

What is today's forecast for Mastic Beach?

Today in Mastic Beach: high 28°C, low 16°C, sunny. Chance of rain: 4%.

What is the 7-day weather forecast for Mastic Beach?

Daily highs and lows for Mastic Beach:

  • 2026-07-20: 28°C / 16°C
  • 2026-07-21: 25°C / 18°C
  • 2026-07-22: 27°C / 22°C
  • 2026-07-23: 25°C / 18°C
  • 2026-07-24: 24°C / 19°C
  • 2026-07-25: 23°C / 20°C
  • 2026-07-26: 23°C / 18°C
Is it going to rain in Mastic Beach today?

There is a 4% chance of rain in Mastic Beach today.

What is the wind speed in Mastic Beach right now?

Wind in Mastic Beach is currently 14 km/h (9 mph) from the S.

What is the UV index in Mastic Beach right now?

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

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