The highest day temperature in March 2026 was 87°F. The lowest night temperature was 17°F. The average values for day and night temperatures during March were 62.7°F и 42.5°F respectivly.

Most of the days in March are sunny but you can also expect cloudy and gloomy days.

Precipitation total in March for Boulder is 1.4 in.

The average wind speed in March is 7.8 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Boulder in March is 7.4 hours.