Somerville weather — 10-day forecast

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

Now

Reading from 14:00 · NOAA HRRR model

36 °C

Clear sky

13.5 km/hforce 2

Next 12 h

  • 1435°
  • 1536°
  • 1635°
  • 1735°
  • 1834°
  • 1933°
  • 19:57Sunset
  • 2031°
  • 2129°
  • 2228°
  • 2326°
  • 0026°
  • 0125°
  • 0225°11 %

36°15:00 25°02:00

Humidity
32 %
Dew point
16 °C
Gusts
17.2 km/h
Clouds
3 %
Pressure
1,017 hPa ↓
UV
8 · very high

Grid point 0.5 km away · 3.0 km grid · elevation 6 m

Air quality

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

Reading from 14:00
53
Moderate

Index set by Ozone

Ozone
120.0µg/m³
PM2.5
10.0µg/m³
PM10
10.2µg/m³
Nitrogen dioxide
2.2µg/m³
Sulphur dioxide
0.6µg/m³
Carbon monoxide
174.0µg/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.

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.

19° → 36°

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

  • Today

    Clear sky44 %

    36°

    26°

  • Sat

    Thunderstorm86 %

    34°

    24°

  • Sun

    Rain28 %

    33°

    22°

  • Mon

    Mainly clear6 %

    33°

    20°

  • Tue

    Thunderstorm44 %

    29°

    23°

  • Wed

    Overcast

    27°

    21°

  • Thu

    Mainly clear0 mm

    30°

    21°

  • Fri

    Partly cloudy0 mm

    29°

    22°

  • Sat

    Mainly clear

    28°

    19°

  • Sun

    Thunderstorm1 mm

    32°

    24°

Gusts · Sat 54.0 km/h · Sat 57.6 km/h · Sun 60.2 km/h

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV9very high
Sunrise
05:44
Daylight
14 h 13
Sunset
19:57

Radiation · 25.4 MJ/m²

Sea state

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

0.1 mperiod 9 s 43°

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

Data: ECMWF

Today in Somerville the mean temperature will be 31.4 °C — +9.9 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Somerville climate — normals and trends