Boulder, CO Weather

    19:00 Thursday
    Partly cloudy
    Partly cloudy
    -3° Feels like -6°
    Full Moon Full Moon Illuminated: 100%
    • Today 4 Dec. Scattered clouds 0° / -15° Moderate west wind 9 - 30 km/h
    • Tomorrow 5 Dec. Partly cloudy 3° / -6° Moderate southeast wind 11 - 39 km/h
    • Saturday 6 Dec. Light rain with partly cloudy skies 90% 4.1 mm 8° / -2° Strong west wind 24 - 59 km/h
    • Sunday 7 Dec. Partly cloudy 4° / -8° Moderate southeast wind 8 - 23 km/h
    • Monday 8 Dec. Partly cloudy 6° / -7° Moderate east wind 9 - 42 km/h
    • Tuesday 9 Dec. Scattered clouds 8° / -5° Strong southeast wind 16 - 59 km/h
    • Wednesday 10 Dec. Light rain with cloudy skies 60% 1.1 mm 8° / 3° Strong west wind 18 - 59 km/h

    Weather Forecast for Boulder, CO Today

    , 4 December

    Tomorrow

    , 5 December
    17:00 Scattered clouds -6° Scattered clouds
    Feels Like -7°
    Gentle northwest wind Northwest 3 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 38%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1016 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Visibility Visibility 35 km
    18:00 Partly cloudy -6° Partly cloudy
    Feels Like -7°
    Gentle northwest wind Northwest 4 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 68%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1016 hPa
    • Snowline Snowline 6234 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Visibility Visibility 40 km
    19:00 Partly cloudy -4° Partly cloudy
    Feels Like -7°
    Moderate west wind West 7 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 89%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1015 hPa
    • Snowline Snowline 6562 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 40 km
    20:00 Partly cloudy -3° Partly cloudy
    Feels Like -6°
    Moderate west wind West 6 - 25 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 95%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 6562 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Visibility Visibility 40 km
    21:00 Partly cloudy -3° Partly cloudy
    Feels Like -5°
    Moderate west wind West 6 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 92%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Visibility Visibility 35 km
    22:00 Partly cloudy -3° Partly cloudy
    Feels Like -5°
    Moderate west wind West 5 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 78%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Visibility Visibility 40 km
    23:00 Partly cloudy -4° Partly cloudy
    Feels Like -5°
    Moderate west wind West 4 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 86%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Visibility Visibility 40 km
    24:00 Partly cloudy -4° Partly cloudy
    Feels Like -6°
    Moderate southeast wind Southeast 5 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 86%
    • Snow depth Snow depth 4.33 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Visibility Visibility 40 km

    Sunrise and Sunset

    Sunrise 07:07 Sunset 16:35
    First light 06:36 Midday 11:51 Last light 17:05
    Day length 9h 29m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    4 Full Moon
    5 Full Moon
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter
    14 Last Quarter
    15 Last Quarter
    16 Last Quarter
    17 Last Quarter

    Air quality in Boulder today

    Detail
    29
    Fair O₃ (71 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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