Holtsville weather — 10-day forecast
Temperature, rain, wind and feels-like in Holtsville, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 20:00 · NOAA HRRR model
27 °C
Partly cloudy
Feels like 29 °C
Next 12 h
- 2027°
- 20:01Sunset
- 2124°91 %
- 2224°
- 2324°
- 0024°13 %
- 0124°13 %
- 0223°14 %
- 0323°13 %
- 0423°13 %
- 0522°14 %
- 05:56Sunrise
- 0622°14 %
- 0723°
- 0824°
↑ 27°20:00↓ 22°05:00
- Humidity
- 80 %
- Dew point
- 23 °C
- Gusts
- 36.1 km/h
- Clouds
- 81 %
- Pressure
- 1,018 hPa ↑
- Storm
- likely
Grid point 0.0 km away · 3.0 km grid · elevation 35 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 101.0µg/m³▲
- PM2.5
- 13.1µg/m³
- PM10
- 14.8µg/m³
- Nitrogen dioxide
- 15.7µg/m³
- Sulphur dioxide
- 1.3µg/m³
- Carbon monoxide
- 218.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Light drizzle20 %
32°
24°
Sat
Mainly clear36 %
32°
22°
Sun
Thunderstorm36 %
32°
23°
Mon
Partly cloudy30 %
31°
23°
Tue
Thunderstorm78 %
28°
24°
Wed
Overcast78 %
26°
22°
Thu
Light drizzle0 mm
29°
22°
Fri
Light drizzle0 mm
31°
23°
Sat
Mainly clear
24°
22°
Sun
Light rain6 mm
24°
23°
Gusts · Tue 57.2 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:55
- Daylight
- 14 h 06
- Sunset
- 20:01
Radiation · 10.9 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Holtsville the mean temperature will be 28.5 °C — +5.4 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Holtsville