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Halloween forecast: See where trick-or-treaters will need an umbrella. Chevron right

Boulder, CO

48°F
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Boulder

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48°
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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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12 PM

52°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 48%
Chevron down
Showers

RealFeel Shade™43°

WindNNE 15 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts23 mph

Humidity52%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling26000 ft

1 PM

54°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Mostly cloudy

RealFeel Shade™47°

WindENE 16 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts27 mph

Humidity47%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling26200 ft

2 PM

54°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™46°

WindNE 16 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts28 mph

Humidity49%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling22300 ft

3 PM

53°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™46°

WindENE 15 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts28 mph

Humidity50%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling18500 ft

4 PM

53°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 59%
Chevron down
Rain

RealFeel Shade™43°

WindE 15 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts28 mph

Humidity52%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Rain0.01 in

Visibility10 mi

Cloud Ceiling14900 ft

5 PM

50°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 45%
Chevron down
Mostly cloudy

RealFeel Shade™42°

WindSE 15 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts27 mph

Humidity60%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling11400 ft

6 PM

49°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 53%
Chevron down
Rain

RealFeel Shade™38°

WindSSE 15 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts25 mph

Humidity65%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover76%

Rain0.01 in

Visibility10 mi

Cloud Ceiling7900 ft

7 PM

46°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 45%
Chevron down
Mostly cloudy

WindSE 14 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity73%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling8200 ft

8 PM

46°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 55%
Chevron down
Rain

WindESE 5 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity76%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Rain0.01 in

Visibility6 mi

Cloud Ceiling7000 ft

9 PM

46°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindESE 5 mph

Air QualityExcellent

Wind Gusts5 mph

Humidity79%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7000 ft

10 PM

45°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 55%
Chevron down
Rain

WindESE 5 mph

Air QualityExcellent

Wind Gusts5 mph

Humidity82%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Rain0.01 in

Visibility6 mi

Cloud Ceiling7000 ft

11 PM

44°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 38%
Chevron down
Mostly cloudy

WindESE 5 mph

Air QualityExcellent

Wind Gusts5 mph

Humidity86%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling7700 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 52° with a RealFeel® of 45°, showers with a 48% 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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