Holtsville Weather today

Name: Holtsville, New York, United States
Address: Holtsville, New York

United States New York 40.8°N · 73.0°W

Daily weather summary and conditions — Holtsville

Holtsville, New York, United States

Clear weather is expected throughout the day. A small chance of precipitation remains during the day and at night. Air temperature during the day will be high, ranging from 25°C (77°F) to 40°C (104°F).

Humidity will be moderate, around 61%. A moderate wind is expected during the day, up to 30 km/h (19 mph). The UV index will be very high. Sun protection is recommended. The sun will rise at 05:25 and set at 20:27. Daylight duration will be 15:02.

Water remains warm today, around 26°C (79°F).

Now, 01:06 Clear

25°

Feels like 27°

Precipitation expected today · up to 0.7 mm · peak around 20:00

Max / Min

40° / 25°

Wind

3.3 m/s WNW

Humidity

88%

Pressure

761 mmHg

Hourly forecast · Holtsville

12 AM

25°

1 AM

25°

2 AM

25°

3 AM

25°

4 AM

25°

5 AM

25°

6 AM

25°

7 AM

27°

8 AM

30°

9 AM

33°

10 AM

34°

11 AM

39°

12 PM

40°

1 PM

33°

2 PM

34°

3 PM

34°

4 PM

34°

5 PM

32°

6 PM

32°

7 PM

30°

8 PM

27°

9 PM

27°

10 PM

27°

11 PM

26°

Holtsville — today expected clear and dry, temperature from +25°C (+77°F) to +40°C (+104°F). Strong wind up to 30 km/h (19 mph). Hot weather.

Visibility

16 km

Excellent

Visible to horizon — clean air

Water

22.9 °C

Comfortable

Pleasant for swimming

Air Quality

Open

Moderate

Acceptable air quality for most people

Main pollutant: PM2.5

PM2.5

19.1 µg/m³

PM10

21.8 µg/m³

O₃

76 µg/m³

NO₂

21.8 µg/m³

SO₂

2 µg/m³

183 µg/m³

Pollen & allergens

Open

Moderate level

Grass

Possible mild symptoms in sensitive people. Carry allergy drops when walking outdoors.

Main allergen: Grass

Hazel 0 grains/m³

Alder 0 grains/m³

Birch 0 grains/m³

Oak 0 grains/m³

Mugwort 0 grains/m³

Ragweed 0 grains/m³

15h 02m Daylight

Sunrise 05:25 AM

Zenith 12:56 PM

Sunset 08:27 PM

10h 05m Moon above horizon

Moonrise 10:54 PM

Moonset 08:59 AM

Golden hour 05:25 AM – 06:06 AM · 07:46 PM – 08:27 PM

Blue hour 04:52 AM – 05:25 AM · 08:27 PM – 09:00 PM

Astronomical twilight 03:20 AM → 04:52 AM · 09:00 PM → 10:32 PM

Now Waning Gibbous · 79%

Last Quarter 5 July

New Moon 12 July

Holtsville (United States). Interactive weather map for today with switchable layers: temperature, precipitation, wind, and pressure. Coordinates: 40.82°, -73.05°. Timezone: America/New_York.