Boulder, CO Weather

    09:00 Tuesday
    Sunny
    Clear
    5° Feels like 6°
    Gentle northeast wind Northeast 0 - 16 km/h
    • Today 30 Dec. Clear 9° / -4° Moderate southwest wind 11 - 27 km/h
    • Tomorrow 31 Dec. Scattered clouds 14° / -3° Moderate west wind 12 - 27 km/h
    • Thursday 1 Jan. Overcast 10° / 2° Moderate west wind 10 - 23 km/h
    • Friday 2 Jan. Partly cloudy 12° / 5° Moderate southeast wind 7 - 31 km/h
    • Saturday 3 Jan. Scattered clouds 14° / 2° Moderate southwest wind 15 - 39 km/h
    • Sunday 4 Jan. Scattered clouds 14° / 0° Very strong west wind 31 - 79 km/h
    • Monday 5 Jan. Scattered clouds 11° / -2° Moderate west wind 11 - 47 km/h

    Weather Forecast for Boulder, CO Today

    , 30 December

    Tomorrow

    , 31 December
    10:00 Clear 5° Sunny
    Feels Like 6°
    Gentle northeast wind Northeast 0 - 16 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 6 °C
    • Wind Wind - Average 0 km/h
    • Pressure Pressure 1028 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Visibility Visibility 45 km
    11:00 Clear 7° Sunny
    Feels Like 8°
    Gentle east wind East 3 - 13 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 29%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 8 °C
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Visibility Visibility 45 km
    12:00 Clear 8° Sunny
    Feels Like 8°
    Gentle east wind East 4 - 15 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 27%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 8 °C
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Visibility Visibility 45 km
    13:00 Clear 8° Sunny
    Feels Like 8°
    Gentle east wind East 4 - 17 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 27%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 8 °C
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Visibility Visibility 45 km
    14:00 Clear 8° Sunny
    Feels Like 9°
    Gentle east wind East 4 - 16 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 27%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 9 °C
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Visibility Visibility 45 km
    15:00 Clear 7° Sunny
    Feels Like 8°
    Gentle east wind East 3 - 13 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 28%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 8 °C
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Visibility Visibility 45 km
    16:00 Clear 4° Sunny
    Feels Like 5°
    Gentle north wind North 2 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 37%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 5 °C
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 10 km/h
    • Visibility Visibility 40 km
    Sunny 17:00 Clear 1° Sunny
    Feels Like 1°
    Gentle west wind West 3 - 8 km/h
    		UV Index 0 Low SPF: no
    17:00 Clear 1° Sunny
    Feels Like 1°
    Gentle west wind West 3 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 1 °C
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Visibility Visibility 40 km
    18:00 Clear skies 0° Clear
    Feels Like -2°
    Gentle southwest wind Southwest 7 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Visibility Visibility 35 km
    19:00 Clear skies -2° Clear
    Feels Like -5°
    Moderate southwest wind Southwest 8 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 30 km
    Clear 20:00 Clear skies -3° Clear
    Feels Like -5°
    Moderate west wind West 7 - 21 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies -3° Clear
    Feels Like -5°
    Moderate west wind West 7 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 84%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 30 km
    21:00 Clear skies -3° Clear
    Feels Like -6°
    Moderate southwest wind Southwest 7 - 20 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 86%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Visibility Visibility 30 km
    22:00 Clear skies -3° Clear
    Feels Like -6°
    Moderate west wind West 8 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 11811 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 30 km
    Clear 23:00 Clear skies -2° Clear
    Feels Like -5°
    Moderate west wind West 7 - 21 km/h
    		UV Index 0 Low SPF: no
    23:00 Clear skies -2° Clear
    Feels Like -5°
    Moderate west wind West 7 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 12139 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 35 km
    24:00 Clear skies -2° Clear
    Feels Like -5°
    Gentle west wind West 7 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1023 hPa
    • Snowline Snowline 12467 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Visibility Visibility 35 km

    Sunrise and Sunset

    Sunrise 07:22 Sunset 16:45
    First light 06:52 Midday 12:03 Last light 17:15
    Day length 9h 22m

    Remaining daylight 6h 56m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter

    Air quality in Boulder today

    Detail
    30
    Fair O₃ (74 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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