Boulder, CO Weather

    05:00 Saturday
    Scattered clouds
    Scattered clouds
    3° Feels like 1°
    First Quarter First Quarter Illuminated: 50%
    • Today 27 Dec. Light rain with partly cloudy skies 70% 0.9 mm 15° / 2° Strong west wind 20 - 50 km/h
    • Tomorrow 28 Dec. Snow with partly cloudy skies 80% 4 mm 4° / -12° Moderate east wind 14 - 39 km/h
    • Monday 29 Dec. Clear -1° / -12° Moderate west wind 11 - 26 km/h
    • Tuesday 30 Dec. Scattered clouds 5° / -7° Moderate southwest wind 12 - 27 km/h
    • Wednesday 31 Dec. Clear 7° / -6° Moderate southwest wind 11 - 28 km/h
    • Thursday 1 Jan. Partly cloudy 7° / -2° Moderate west wind 9 - 25 km/h
    • Friday 2 Jan. Partly cloudy 11° / -1° Moderate west wind 9 - 26 km/h

    Weather Forecast for Boulder, CO Today

    , 27 December

    Tomorrow

    , 28 December
    06:00 Scattered clouds 3° Scattered clouds
    Feels Like 1°
    Moderate southwest wind Southwest 11 - 25 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 10171 ft
    07:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate southwest wind Southwest 12 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 46%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 10171 ft
    08:00 Scattered clouds 3° Scattered clouds
    Feels Like 1°
    Moderate southwest wind Southwest 12 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 51%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 10171 ft
    09:00 Scattered clouds 8° Scattered clouds
    Feels Like 7°
    Moderate southwest wind Southwest 7 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 45%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 36%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 10171 ft
    10:00 Partly cloudy 10° Partly cloudy
    Feels Like 10°
    Moderate east wind East 6 - 20 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 35%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 71%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 10171 ft
    Partly cloudy 11:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Moderate east wind East 7 - 22 km/h
    		UV Index 1 Low SPF: no
    11:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Moderate east wind East 7 - 22 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 31%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 10171 ft
    12:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Moderate northeast wind Northeast 4 - 22 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 26%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 58%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 10171 ft
    13:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate southwest wind Southwest 4 - 29 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 22%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 45%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 10171 ft
    Scattered clouds 14:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate west wind West 4 - 23 km/h
    		UV Index 1 Low SPF: no
    14:00 Partly cloudy 14° Partly cloudy
    Feels Like 14°
    Moderate west wind West 4 - 23 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 21%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 49%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 10171 ft
    15:00 Partly cloudy 14° Partly cloudy
    Feels Like 14°
    Moderate west wind West 3 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 22%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 67%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 10171 ft
    16:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Gentle northwest wind Northwest 5 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 28%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 59%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 10171 ft
    Partly cloudy 17:00 Partly cloudy 10° Partly cloudy
    Feels Like 8°
    Moderate west wind West 13 - 28 km/h
    		UV Index 0 Low SPF: no
    17:00 Light rain with partly cloudy skies 30% 0.1 mm 10° Light rain
    Feels Like 8°
    Moderate west wind West 13 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 87%
    • Feels Like Feels Like 8 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 9843 ft
    18:00 Light rain with partly cloudy skies 30% 0.004 mm 9° Light rain
    Feels Like 6°
    Moderate west wind West 20 - 48 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.004 mm
    • Humidity Humidity 44%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 87%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 9 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Snowline Snowline 9514 ft
    19:00 Light rain with partly cloudy skies 30% 0.004 mm 8° Light rain
    Feels Like 6°
    Moderate west wind West 17 - 49 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.004 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 83%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 49 km/h
    • Snowline Snowline 9514 ft
    Partly cloudy 20:00 Partly cloudy 8° Partly cloudy
    Feels Like 6°
    Moderate west wind West 9 - 41 km/h
    		UV Index 0 Low SPF: no
    20:00 Light rain with partly cloudy skies 30% 0.1 mm 8° Light rain
    Feels Like 6°
    Moderate west wind West 9 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 44%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 87%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 9186 ft
    21:00 Partly cloudy 6° Partly cloudy
    Feels Like 8°
    Moderate northwest wind Northwest 1 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 49%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 76%
    • Feels Like Feels Like 8 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 1 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 8530 ft
    22:00 Partly cloudy 5° Partly cloudy
    Feels Like 5°
    Gentle southeast wind Southeast 4 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 89%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Snowline Snowline 8202 ft
    Partly cloudy 23:00 Partly cloudy 4° Partly cloudy
    Feels Like 4°
    Gentle southeast wind Southeast 3 - 13 km/h
    		UV Index 0 Low SPF: no
    23:00 Light rain with partly cloudy skies 30% 0.7 mm 4° Light rain
    Feels Like 4°
    Gentle southeast wind Southeast 3 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 88%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 7874 ft
    24:00 Light rain with partly cloudy skies 30% 0.028 mm 3° Light rain
    Feels Like 2°
    Gentle south wind South 7 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.028 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 2 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1011 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Visibility Visibility 10 km

    Sunrise and Sunset

    Sunrise 07:22 Sunset 16:42
    First light 06:51 Midday 12:02 Last light 17:13
    Day length 9h 21m

    Time remaining until sunrise 1h 31m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    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

    Air quality in Boulder today

    Detail
    26
    Fair O₃ (64 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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