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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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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Tuesday, August 18

Day

8/18
89°Hi
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 87°
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
Some sun, then increasing clouds with a thundershower
alerts

Air Quality Alert

4:11 PM Monday - 4:00 PM Tuesday

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™7 (Bright)

WindENE 6 mph

Wind Gusts12 mph

Probability of Precipitation55%

Probability of Thunderstorms17%

Precipitation0.05 in

Rain Amount0.05 in

Total Hours of Precipitation1

Total Hours of Rain1

Cloud Cover57%

Morning

Afternoon

Night

8/18
60°Lo
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
An evening thundershower; otherwise, partly cloudy

WindW 6 mph

Wind Gusts12 mph

Probability of Precipitation55%

Probability of Thunderstorms17%

Precipitation0.05 in

Rain Amount0.05 in

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Cloud Cover67%

Evening

Overnight

Sun & Moon

13 hrs 39 mins
Rise 6:15 AM
Set 7:54 PM
Waxing Crescent
Rise 12:51 PM
Set 10:40 PM

Temperature History

8/18
High
Low
Forecast
89°
60°
Average
86°
55°
Last Year
93°
63°

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