Boulder, CO Weather

    01:00 Friday
    Partly cloudy
    Partly cloudy
    5° Feels like 2°
    Strong west wind West 14 - 56 km/h
    • Today 19 Dec. Scattered clouds 19° / 3° Hurricane force west wind 42 - 104 km/h
    • Tomorrow 20 Dec. Light rain with partly cloudy skies 80% 3.3 mm 15° / -1° Moderate east wind 15 - 34 km/h
    • Sunday 21 Dec. Scattered clouds 13° / -1° Moderate west wind 7 - 23 km/h
    • Monday 22 Dec. Scattered clouds 19° / 3° Strong west wind 11 - 51 km/h
    • Tuesday 23 Dec. Scattered clouds 19° / 2° Moderate southwest wind 14 - 34 km/h
    • Wednesday 24 Dec. Scattered clouds 19° / 2° Moderate south wind 11 - 33 km/h
    • Thursday 25 Dec. Partly cloudy 16° / 4° Moderate west wind 7 - 26 km/h

    Weather Forecast for Boulder, CO Today

    , 19 December

    Tomorrow

    , 20 December
    02:00 Partly cloudy 5° Partly cloudy
    Feels Like 2°
    Strong west wind West 14 - 56 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 73%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Snowline Snowline 14436 ft
    03:00 Partly cloudy 5° Partly cloudy
    Feels Like 2°
    Strong west wind West 16 - 62 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 66%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 62 km/h
    • Snowline Snowline 14436 ft
    04:00 Scattered clouds 9° Scattered clouds
    Feels Like 5°
    Very strong west wind West 42 - 101 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 49%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 42 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 101 km/h
    • Snowline Snowline 14764 ft
    Scattered clouds 05:00 Scattered clouds 10° Scattered clouds
    Feels Like 6°
    Very strong west wind West 42 - 102 km/h
    		UV Index 0 Low SPF: no
    05:00 Scattered clouds 10° Scattered clouds
    Feels Like 6°
    Very strong west wind West 42 - 102 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 35%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 33%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 42 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 102 km/h
    • Snowline Snowline 14764 ft
    06:00 Scattered clouds 10° Scattered clouds
    Feels Like 10°
    Very strong west wind West 39 - 101 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 30%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 37%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 39 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 101 km/h
    • Snowline Snowline 14436 ft
    07:00 Scattered clouds 11° Scattered clouds
    Feels Like 11°
    Very strong west wind West 33 - 96 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 26%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 21%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 33 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 96 km/h
    • Snowline Snowline 14764 ft
    Scattered clouds 08:00 Scattered clouds 10° Scattered clouds
    Feels Like 10°
    Very strong west wind West 20 - 86 km/h
    		UV Index 0 Low SPF: no
    08:00 Scattered clouds 10° Scattered clouds
    Feels Like 10°
    Very strong west wind West 20 - 86 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 27%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 24%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 999 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 86 km/h
    • Snowline Snowline 14764 ft
    09:00 Scattered clouds 12° Scattered clouds
    Feels Like 12°
    Strong southwest wind Southwest 11 - 67 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 29%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 23%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 67 km/h
    • Snowline Snowline 14764 ft
    10:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Strong southwest wind Southwest 5 - 59 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 26%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 47%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 59 km/h
    • Snowline Snowline 14764 ft
    Scattered clouds 11:00 Scattered clouds 16° Scattered clouds
    Feels Like 16°
    Strong west wind West 7 - 56 km/h
    		UV Index 1 Low SPF: no
    11:00 Scattered clouds 16° Scattered clouds
    Feels Like 16°
    Strong west wind West 7 - 56 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 23%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 29%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Snowline Snowline 14436 ft
    12:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Strong west wind West 7 - 53 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 21%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 21%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 999 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 53 km/h
    • Snowline Snowline 14436 ft
    13:00 Scattered clouds 18° Scattered clouds
    Feels Like 18°
    Strong west wind West 9 - 51 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 18%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 32%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 997 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 51 km/h
    • Snowline Snowline 14108 ft
    Scattered clouds 14:00 Scattered clouds 19° Scattered clouds
    Feels Like 19°
    Moderate west wind West 11 - 49 km/h
    		UV Index 1 Low SPF: no
    14:00 Scattered clouds 19° Scattered clouds
    Feels Like 19°
    Moderate west wind West 11 - 49 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 17%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 38%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 997 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 49 km/h
    • Snowline Snowline 14108 ft
    15:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Strong west wind West 14 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 20%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 37%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 997 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 13780 ft
    16:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Strong west wind West 14 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 23%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 46%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 997 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 13780 ft
    Scattered clouds 17:00 Scattered clouds 13° Scattered clouds
    Feels Like 13°
    Strong west wind West 13 - 50 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Strong west wind West 13 - 50 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 27%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 40%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 998 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 50 km/h
    • Snowline Snowline 13451 ft
    18:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Moderate west wind West 12 - 46 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 30%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 58%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 999 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 46 km/h
    • Snowline Snowline 13451 ft
    19:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Moderate southwest wind Southwest 13 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 31%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 70%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 999 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 13451 ft
    Partly cloudy 20:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Moderate west wind West 12 - 43 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Moderate west wind West 12 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 30%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 92%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 999 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 13780 ft
    21:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Moderate west wind West 15 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 29%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 79%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 13780 ft
    22:00 Overcast 13° Overcast
    Feels Like 13°
    Strong west wind West 19 - 50 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 28%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 97%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 50 km/h
    • Snowline Snowline 13123 ft
    Overcast 23:00 Overcast 14° Overcast
    Feels Like 14°
    Strong west wind West 17 - 52 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 14° Overcast
    Feels Like 14°
    Strong west wind West 17 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 26%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 11811 ft
    24:00 Overcast 15° Overcast
    Feels Like 15°
    Moderate west wind West 11 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 26%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 11155 ft

    Sunrise and Sunset

    Sunrise 07:18 Sunset 16:38
    First light 06:47 Midday 11:58 Last light 17:08
    Day length 9h 20m

    Time remaining until sunrise 5h 42m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    19 New Moon
    20 New Moon
    21 New Moon
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter

    Air quality in Boulder today

    Detail
    29
    Fair O₃ (70 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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