Boulder, CO Weather

    22:00 Wednesday
    Scattered clouds
    Scattered clouds
    3° Feels like 0°
    First Quarter First Quarter Illuminated: 90%
    • Today 31 Dec. Scattered clouds 15° / -2° Moderate west wind 14 - 31 km/h
    • Tomorrow 1 Jan. Partly cloudy 12° / 3° Moderate west wind 13 - 29 km/h
    • Friday 2 Jan. Partly cloudy 13° / 5° Moderate southeast wind 11 - 29 km/h
    • Saturday 3 Jan. Scattered clouds 15° / 2° Moderate west wind 13 - 30 km/h
    • Sunday 4 Jan. Scattered clouds 17° / 2° Strong west wind 13 - 56 km/h
    • Monday 5 Jan. Scattered clouds 17° / -1° Strong west wind 26 - 60 km/h
    • Tuesday 6 Jan. Scattered clouds 13° / 4° Very strong west wind 34 - 83 km/h

    Weather Forecast for Boulder, CO Today

    , 31 December

    Tomorrow

    , 1 January
    17:00 Scattered clouds 5° Scattered clouds
    Feels Like 3°
    Moderate west wind West 12 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 49%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 36%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 3 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1015 hPa
    • Snowline Snowline 12467 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Visibility Visibility 40 km
    18:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate west wind West 14 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 33%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1015 hPa
    • Snowline Snowline 12467 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Visibility Visibility 35 km
    19:00 Scattered clouds 2° Scattered clouds
    Feels Like -1°
    Moderate west wind West 14 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 47%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1015 hPa
    • Snowline Snowline 12795 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Visibility Visibility 35 km
    20:00 Scattered clouds 2° Scattered clouds
    Feels Like -1°
    Moderate west wind West 14 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 12795 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Visibility Visibility 35 km
    21:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate west wind West 14 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 49%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 12795 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Visibility Visibility 35 km
    22:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate west wind West 14 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 48%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 12795 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Visibility Visibility 35 km
    23:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate west wind West 13 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 49%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 12795 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Visibility Visibility 35 km
    24:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate west wind West 13 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1013 hPa
    • Snowline Snowline 12795 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Visibility Visibility 35 km

    Sunrise and Sunset

    Sunrise 07:22 Sunset 16:45
    First light 06:52 Midday 12:04 Last light 17:16
    Day length 9h 23m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    31 First Quarter
    1 First Quarter
    2 Full Moon
    3 Full Moon
    4 Full Moon
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter

    Air quality in Boulder today

    Detail
    30
    Fair O₃ (72 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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