Lemont weather — 10-day forecast

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

Now

Reading from 23:00 · NOAA HRRR model

24 °C

Partly cloudy

Feels like 27 °C

9.7 km/hforce 2

Next 12 h

  • 2324°
  • 0023°
  • 0122°
  • 0222°
  • 0322°
  • 0422°
  • 0521°
  • 05:54Sunrise
  • 0621°
  • 0722°
  • 0823°
  • 0924°
  • 1025°
  • 1126°

21°06:00 26°11:00

Humidity
82 %
Dew point
21 °C
Gusts
20.5 km/h
Clouds
70 %
Pressure
1,013 hPa ↑
Storm
likely

Grid point 1.0 km away · 3.0 km grid · elevation 209 m

Air quality

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

Reading from 01:00
19
Good

Index set by Ozone

Ozone
47.4µg/m³
PM2.5
7.2µg/m³
PM10
7.6µg/m³
Nitrogen dioxide
11.6µg/m³
Sulphur dioxide
1.4µg/m³
Carbon monoxide
230.0µg/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.

18° → 33°

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

  • Today

    Clear sky30 %

    29°

    24°

  • Sat

    Clear sky10 %

    30°

    21°

  • Sun

    Thunderstorm98 %

    33°

    18°

  • Mon

    Thunderstorm100 %

    30°

    23°

  • Tue

    Showers100 %

    28°

    22°

  • Wed

    Light rain80 %

    27°

    21°

  • Thu

    Light drizzle1 mm

    25°

    19°

  • Fri

    Overcast

    27°

    20°

  • Sat

    Thunderstorm4 mm

    28°

    21°

  • Sun

    Mainly clear

    28°

    20°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV0low
Sunrise
05:53
Daylight
14 h 10
Sunset
20:03

Radiation · 0.4 MJ/m²

Sea state

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

0.1 mperiod 2 s 175°

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

Data: ECMWF

Today in Lemont the mean temperature will be 25.8 °C — +3.2 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Lemont climate — normals and trends