Alton weather — 10-day forecast

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

Now

Reading from 22:00 · NOAA HRRR model

29 °C

Clear sky

Feels like 30 °C

18.6 km/hforce 3

Next 12 h

  • 2228°
  • 2328°
  • 0027°
  • 0127°
  • 0226°
  • 0326°
  • 0426°
  • 0526°
  • 0625°
  • 0725°14 %
  • 07:03Sunrise
  • 0826°
  • 0927°
  • 1029°

25°07:00 29°10:00

Humidity
67 %
Dew point
22 °C
Gusts
36.3 km/h
Clouds
0 %
Pressure
1,016 hPa ↑
Storm
likely

Grid point 0.8 km away · 3.0 km grid · elevation 53 m

Air quality

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

Reading from 19:00
23
Fair

Index set by Ozone

Ozone
57.2µg/m³
PM2.5
3.4µg/m³
PM10
4.8µg/m³
Nitrogen dioxide
1.4µg/m³
Sulphur dioxide
0.6µg/m³
Carbon monoxide
96.0µg/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.

25° → 39°

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

  • Today

    Thunderstorm64 %

    36°

    28°

  • Sat

    Thunderstorm66 %

    36°

    25°

  • Sun

    Thunderstorm66 %

    36°

    25°

  • Mon

    Mainly clear64 %

    39°

    26°

  • Tue

    Mainly clear

    39°

    26°

  • Wed

    Mainly clear

    37°

    27°

  • Thu

    Mainly clear

    37°

    27°

  • Fri

    Mainly clear

    37°

    27°

  • Sat

    Thunderstorm1 mm

    35°

    27°

  • Sun

    Thunderstorm3 mm

    35°

    25°

Gusts · Tue 51.6 km/h · Wed 55.9 km/h · Thu 60.0 km/h · Fri 58.0 km/h · Sat 62.3 km/h

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV11very high
Sunrise
07:02
Daylight
13 h 14
Sunset
20:16

Radiation · 15.7 MJ/m²

Today in Alton the mean temperature will be 32.4 °C — +2.2 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Alton climate — normals and trends

Nearby cities

The climate around Alton