Grand Junction weather — 10-day forecast

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

Now

Reading from 16:00 · NOAA HRRR model

39 °C

Clear sky

Feels like 34 °C

10.5 km/hforce 2

Next 12 h

  • 1639°
  • 1739°
  • 1839°
  • 1938°
  • 2034°
  • 20:19Sunset
  • 2131°
  • 2228°
  • 2327°
  • 0027°
  • 0126°
  • 0224°
  • 0323°
  • 0421°

39°16:00 21°04:00

Humidity
4 %
Dew point
-9 °C
Gusts
14.9 km/h
Clouds
0 %
Pressure
1,007 hPa ↓
UV
6 · high

Grid point 0.5 km away · 3.0 km grid · elevation 1,406 m

Air quality

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

Reading from 18:00
60
Moderate

Index set by Ozone

Ozone
129.8µg/m³
PM2.5
6.1µg/m³
PM10
10.4µg/m³
Nitrogen dioxide
0.5µg/m³
Sulphur dioxide
0.5µg/m³
Carbon monoxide
118.0µg/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° → 40°

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

  • Today

    Clear sky

    39°

    27°

  • Sat

    Partly cloudy

    40°

    19°

  • Sun

    Overcast

    36°

    22°

  • Mon

    Mainly clear20 %

    35°

    20°

  • Tue

    Partly cloudy24 %

    35°

    20°

  • Wed

    Light drizzle24 %

    30°

    21°

  • Thu

    Light showers15 mm

    22°

    20°

  • Fri

    Thunderstorm9 mm

    25°

    19°

  • Sat

    Thunderstorm1 mm

    29°

    18°

  • Sun

    Partly cloudy0 mm

    33°

    18°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV10very high
Sunrise
06:21
Daylight
13 h 58
Sunset
20:19

Radiation · 21.2 MJ/m²

Today in Grand Junction the mean temperature will be 35.2 °C — +13.6 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Grand Junction climate — normals and trends

Nearby cities

The climate around Grand Junction