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Boulder, CO

43°F
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Boulder

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43°
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Boulder, CO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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6 AM

41°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity39%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

45°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
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rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™43°

WindW 7 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts7 mph

Humidity31%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover28%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

52°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine

RealFeel Shade™49°

WindWSW 6 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts7 mph

Humidity24%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

58°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine

RealFeel Shade™57°

WindWSW 6 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts6 mph

Humidity19%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

66°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine

RealFeel Shade™64°

WindW 5 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts6 mph

Humidity14%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

70°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine

RealFeel Shade™68°

WindWNW 5 mph

Air QualityFair

Max UV Index5.8 (High)

Wind Gusts6 mph

Humidity11%

Indoor Humidity11% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

73°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine

RealFeel Shade™70°

WindNW 6 mph

Air QualityFair

Max UV Index7.8 (Very High)

Wind Gusts7 mph

Humidity10%

Indoor Humidity10% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

75°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine

RealFeel Shade™73°

WindNW 7 mph

Air QualityPoor

Max UV Index8.6 (Very High)

Wind Gusts9 mph

Humidity9%

Indoor Humidity9% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

77°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™74°

WindNW 10 mph

Air QualityPoor

Max UV Index6.1 (High)

Wind Gusts13 mph

Humidity8%

Indoor Humidity8% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

77°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™74°

WindNW 12 mph

Air QualityPoor

Max UV Index4.5 (Moderate)

Wind Gusts14 mph

Humidity8%

Indoor Humidity8% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindNW 10 mph

Air QualityPoor

Max UV Index3.3 (Moderate)

Wind Gusts15 mph

Humidity8%

Indoor Humidity8% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

77°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™74°

WindNW 9 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts15 mph

Humidity8%

Indoor Humidity8% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™72°

WindWNW 8 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts15 mph

Humidity9%

Indoor Humidity9% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

72°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™70°

WindWNW 9 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity11%

Indoor Humidity11% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 9 mph

Air QualityPoor

Wind Gusts12 mph

Humidity15%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

63°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 9 mph

Air QualityPoor

Wind Gusts10 mph

Humidity19%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

60°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity22%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

58°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 10 mph

Air QualityFair

Wind Gusts12 mph

Humidity24%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Boulder

AccuWeather's hourly forecast for Boulder provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 41° with a RealFeel® of 36°, partly cloudy with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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