Boulder, CO Weather Forecast
Boulder County, Colorado
Live radar, warnings and storm tracking for Boulder, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Boulder
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Boulder, CO at a glance
Boulder is home to about 105,898 people in Boulder County, across 27 square miles. It ranks 12th by population of 105 places in Colorado with a forecast here. The nearest neighbour with its own forecast is Louisville, 7 miles away.
- County
- Boulder County
- Population
- 105,898 2023 est.
- Land area
- 27 sq mi
- People per sq mi
- 3,938
- Forecast point
- 40.0244°N, 105.2513°W
How well can the network see Boulder?
The nearest Doppler radar is KFTG (Denver, CO), to the ESE. Its lowest scan passes about 2,700 ft above Boulder. Close enough to see rotation in the low part of a storm, where tornadoes form. Boulder is closer to its radar than 55% of US cities.
The closest weather station is KBDU (Boulder Muni). Close enough that its readings are the conditions in town.
Forecasts near Boulder
- Louisville, CO7 mi
- Superior, CO8 mi
- Lafayette, CO8 mi
- Erie, CO11 mi
- Broomfield, CO12 mi
- Longmont, CO13 mi
- Westminster, CO14 mi
- Arvada, CO14 mi
Elsewhere in Colorado
DenverColorado SpringsAuroraFort CollinsLakewoodThorntonAll Colorado forecasts →