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Boulder, CO

45°F
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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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7 AM

43°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Partly sunny w/ showers

RealFeel Shade™40°

WindWSW 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts8 mph

Humidity33%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

47°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™44°

WindSW 7 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts8 mph

Humidity30%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling20000 ft

9 AM

52°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™49°

WindS 7 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts8 mph

Humidity23%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

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

RealFeel Shade™55°

WindS 7 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts8 mph

Humidity18%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

61°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™58°

WindS 8 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts10 mph

Humidity14%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

63°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™61°

WindS 9 mph

Air QualityFair

Max UV Index8.1 (Very High)

Wind Gusts15 mph

Humidity12%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

66°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™63°

WindSSW 9 mph

Air QualityFair

Max UV Index9.0 (Very High)

Wind Gusts18 mph

Humidity10%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

68°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™64°

WindWSW 14 mph

Air QualityFair

Max UV Index8.1 (Very High)

Wind Gusts25 mph

Humidity8%

Indoor Humidity20% (Very Dry)

Dew Point5° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

69°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™65°

WindW 15 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts27 mph

Humidity7%

Indoor Humidity7% (Extremely Dry)

Dew Point3° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

71°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™67°

WindW 15 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts29 mph

Humidity7%

Indoor Humidity7% (Extremely Dry)

Dew Point2° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™65°

WindW 16 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts28 mph

Humidity7%

Indoor Humidity7% (Extremely Dry)

Dew Point2° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™63°

WindW 15 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts25 mph

Humidity8%

Indoor Humidity18% (Extremely Dry)

Dew Point4° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™62°

WindW 14 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts23 mph

Humidity9%

Indoor Humidity20% (Very Dry)

Dew Point5° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindW 10 mph

Air QualityFair

Wind Gusts18 mph

Humidity13%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

56°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindW 9 mph

Air QualityFair

Wind Gusts17 mph

Humidity17%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

51°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindWNW 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity24%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling28100 ft

11 PM

48°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindNNE 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity34%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling26200 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 43° with a RealFeel® of 40°, partly sunny w/ showers with a 40% 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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