Williamstown weather — 10-day forecast

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

Now

Reading from 13:00 · NOAA HRRR model

32 °C

Clear sky

Feels like 35 °C

10.0 km/hforce 2

Next 12 h

  • 1332°
  • 1433°
  • 1533°
  • 1633°
  • 1733°
  • 1832°
  • 1931°
  • 2029°
  • 20:07Sunset
  • 2128°
  • 2226°
  • 2324°93 %
  • 0024°10 %
  • 0124°10 %

33°16:00 24°00:00

Humidity
60 %
Dew point
23 °C
Gusts
14.5 km/h
Clouds
9 %
Pressure
1,020 hPa
UV
10 · very high
Storm
severe possible

Grid point 0.5 km away · 3.0 km grid · elevation 45 m

Air quality

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

Reading from 14:00
44
Moderate

Index set by Ozone

Ozone
106.4µg/m³
PM2.5
8.2µg/m³
PM10
9.2µg/m³
Nitrogen dioxide
1.1µg/m³
Sulphur dioxide
0.5µg/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.

21° → 35°

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

  • Today

    Light showers68 %

    33°

    24°

  • Sat

    Mainly clear74 %

    33°

    23°

  • Sun

    Partly cloudy46 %

    33°

    23°

  • Mon

    Mainly clear16 %

    35°

    24°

  • Tue

    Thunderstorm68 %

    31°

    25°

  • Wed

    Light showers4 mm

    28°

    24°

  • Thu

    Mainly clear

    31°

    21°

  • Fri

    Overcast

    32°

    23°

  • Sat

    Light drizzle1 mm

    29°

    22°

  • Sun

    Thunderstorm1 mm

    33°

    24°

Gusts · Tue 52.6 km/h

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV10very high
Sunrise
06:05
Daylight
14 h 02
Sunset
20:07

Radiation · 25.3 MJ/m²

Sea state

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

0.1 mperiod 2 s 189°

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

Data: ECMWF

Today in Williamstown the mean temperature will be 29.6 °C — +5.1 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Williamstown climate — normals and trends