- Main
- Climatologies,Data
- Weather Variables
- Forecasts
- Severe Weather
- Boulder and CO Info
- Astronomical Info
- Current Climate
- Data Sources
- Interactive Webpages
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- Daily records and climatology: Temperature and snowfall
- Boulder weather data from 1897: Daily, single file
- Boulder seasonal climate rankings
- Selected climatology graphics: Average daily and monthly graphics of temperature and precipitation.

Current Temperature: 9.1°F at Boulder's NCAR Foothills Lab, NE Boulder.
0.00F at the NOAA Skaggs building.
- Current weather conditions: NCAR Foothills Lab, Bear Creek Elementary, the NOAA/Skaggs building and the Boulder Weather Underground Sites.
- Daily Weather Observations 1947-[an error occurred while processing this directive]: temperature, rainfall and snow.
- Monthly Mean, Maximum and Minimum temperatures from 1893 to [an error occurred while processing this directive].
- Daily Records (highs and lows)
- Days greater than 90F in a month from 1990-[an error occurred while processing this directive]
- First and Last day of frost in Boulder.

- Daily Weather Observations 1947-[an error occurred while processing this directive]: temperature, rainfall and snow.
Community Collaborative Rain and Hail Study: Precipitation/Snow/Hail measurement.
- Monthly Precipitation from 1893 to [an error occurred while processing this directive]
- Average annual Colorado precipitation
- Monthly Snowfall from 1889 to [an error occurred while processing this directive]
- Daily Snowfall records.
- Colorado snowpack and river basin data.
- Colorado Snotel Sites: Plots of station data for various parameters including precipitation, snow and temperature from the Western Regional Climate Center.
- First and Last day of snow in Boulder.

- Boulder Regional Forecasts from the NWS office in Boulder.
- Current Radar and Current non-flash radar for Boulder.
- The BCN Weather Center: Comprehensive collection of local weather/forecast links.
- NWS Colorado Forecast and Hourly Obs Page, Main US page NICE!
- Yahoo Boulder weather links
- Denver NEXRAD and visible satellite from Intellicast.
- Temperature/Height Profile (Skew-T) profiles.

- Current watches/warnings from the Storm Prediction Center
- Current watches and warnings for Colorado.
- Front Range and Colorado flood information.
- Boulder area wind information.
- Monthly thunderstorm frequency from 1971.
- Tornadoes in Colorado and Boulder.

- Boulder webcam links. Want to really know the weather?
- The relationship between El Niņo and Boulder temperature and precipitation
- The Boulder weather virtual hiking trail
- Boulder Station history

- Boulder Basin. Boulder water and watershed information.
- Colorado Climate Center has historical Colorado station data, standardized precipitation maps and daily real-time data for selected stations. A good source of Colorado data!
- Colorado climatologies. Various climate information for many Colorado cities from the National Weather Service Central Region Headquarters
- Historical Weather Tidbits from the Denver NWS (National Weather Service) office
- Colorado Avalanche Office
- Fire Danger over the United States
- Gardening and Climate Information
- Boulder Allergy Information from the Weather Channel. They also have US maps of Ragweed, Mold, Grass Pollen and Tree Pollen.
- Colorado Water Data (historical and real-time).

- Boulder Sunrise/Sunset times and length of twilight
- Phase of the moon (from the Hawaii astronomical site).
- Sunrise, Sunset, lunar phase and moonrise/moonset times for anywhere in the United States from the U.S. Naval Observatory.
Detailed Current Climate Analysis
- The PSL maproom [technical]

- Obtain file of Boulder daily data (updated to [an error occurred while processing this directive]). Data now available from 1897.
- Where to find climate data/information
- NOAA's NCEI: A wide variety of online climate/weather datasets for download and display.
- The meteorological FAQ is a great source of info and has most of the available meteorological data in the world listed.
- Sources of data for this Boulder page include NCEI, NOAA Cooperative site daily observations, the National Storm Data Report, NCAR (1890-1947), the National Resource Conservations Service, daily data for 1948-1990 provided by Klaus Wolter (PSL) and the Colorado climate center and summaries of daily data for the last 100 years listed in the Colorado Daily prepared by Bill Callahan. More data (especially ANY wind data) is always welcome!!

- Interactive climate information for Boulder from the Western Regional Climate Center. Very Nice!!
- Display rankings for Boulder monthly mean data. Now for 1948-present!
- United States climate page with a point and click interface that displays the climate of many cities across the country (direct link to Colorado page)