Sayville weather — 10-day forecast

Temperature, rain, wind and feels-like in Sayville, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 19:00 · NOAA HRRR model

27 °C

Mainly clear

Feels like 29 °C

15.4 km/hforce 3

Next 12 h

  • 1927°
  • 2026°
  • 20:01Sunset
  • 2124°49 %
  • 2224°
  • 2324°
  • 0024°12 %
  • 0124°12 %
  • 0223°13 %
  • 0323°12 %
  • 0423°13 %
  • 0523°14 %
  • 05:56Sunrise
  • 0623°14 %
  • 0724°

27°19:00 23°06:00

Humidity
82 %
Dew point
23 °C
Gusts
31.9 km/h
Clouds
31 %
Pressure
1,018 hPa ↓
Storm
likely

Grid point 1.1 km away · 3.0 km grid · elevation 9 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 20:00
36
Fair

Index set by Ozone

Ozone
90.2µg/m³
PM2.5
12.6µg/m³
PM10
14.6µg/m³
Nitrogen dioxide
11.3µg/m³
Sulphur dioxide
0.9µg/m³
Carbon monoxide
178.0µg/m³
Dust (AOD)
0.01

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

22° → 32°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Light drizzle20 %

    29°

    24°

  • Sat

    Mainly clear36 %

    29°

    23°

  • Sun

    Thunderstorm36 %

    32°

    23°

  • Mon

    Partly cloudy30 %

    31°

    24°

  • Tue

    Light drizzle78 %

    29°

    24°

  • Wed

    Light drizzle78 %

    26°

    22°

  • Thu

    Clear sky

    30°

    22°

  • Fri

    Light drizzle2 mm

    31°

    24°

  • Sat

    Mainly clear

    24°

    22°

  • Sun

    Light rain6 mm

    24°

    23°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV9very high
Sunrise
05:55
Daylight
14 h 06
Sunset
20:01

Radiation · 11.3 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

0.8 mperiod 5 s 186°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in Sayville the mean temperature will be 26.6 °C — +3.5 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Sayville climate — normals and trends