- Wind speed
- 12 km/h
- Rain probability
- 1%
Today's Weather Forecast - Boulder
Today's weather in Boulder. high 35°C (95°F), low 21°C (70°F). Sunny.
Today’s Hourly Weather Outlook
- Wind speed
- 15 km/h
- Rain probability
- 41%
- Wind speed
- 22 km/h
- Rain probability
- 40%
- Wind speed
- 13 km/h
- Rain probability
- 8%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Sunrise
Dawn 5:26 AMTotal Daylight
Before sunriseSolar noon 1:07 PM
Sunset
Dusk 8:48 PMRemainingBefore sunrise
Solar elevation-12°
vs yesterday-3 min
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- Athens, Boulder-CU, Colorado, USA
- PM2.5
- 21μg/m³
- PM10
- 10μg/m³
- O₃
- 14ppb
- NO₂
- 9.2ppb
- SO₂
- 0.6ppb
- CO
- 1.9ppm
Upcoming 3-Day Forecast
Full 15-Day ForecastNearby Regional Outlook
Boulder Weather Radar
Live precipitation · Cloud cover · Wind
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