Boulder weather — 10-day forecast

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

Now

Reading from 09:00 · NOAA HRRR model

25 °C

Clear sky

Feels like 21 °C

4.1 km/hforce 1

Next 12 h

  • 0924°
  • 1027°
  • 1129°
  • 1230°
  • 1332°
  • 1434°
  • 1535°
  • 1636°
  • 1736°
  • 1835°
  • 1934°
  • 2030°
  • 20:08Sunset
  • 2128°

24°09:00 36°16:00

Humidity
15 %
Dew point
-4 °C
Gusts
10.0 km/h
Clouds
0 %
Pressure
1,012 hPa ↑

Grid point 0.1 km away · 3.0 km grid · elevation 1,623 m

Air quality

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

Reading from 12:00
49
Moderate

Index set by Ozone

Ozone
113.2µg/m³
PM2.5
8.2µg/m³
PM10
9.2µg/m³
Nitrogen dioxide
1.8µg/m³
Sulphur dioxide
1.1µg/m³
Carbon monoxide
164.0µg/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.

14° → 38°

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

  • Today

    Clear sky

    36°

    20°

  • Sat

    Partly cloudy54 %

    38°

    18°

  • Sun

    Light drizzle76 %

    33°

    23°

  • Mon

    Light drizzle76 %

    29°

    22°

  • Tue

    Light drizzle52 %

    31°

    21°

  • Wed

    Light drizzle1 mm

    28°

    20°

  • Thu

    Light drizzle1 mm

    25°

    20°

  • Fri

    Thunderstorm8 mm

    26°

    16°

  • Sat

    Thunderstorm7 mm

    23°

    15°

  • Sun

    Thunderstorm2 mm

    25°

    14°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV10very high
Sunrise
06:06
Daylight
14 h 02
Sunset
20:08

Radiation · 28.8 MJ/m²

Today in Boulder the mean temperature will be 29.2 °C — +10.8 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Boulder climate — normals and trends