Weather on March 29

Boulder, CO

55 Years of Data

Avg High
55°F
Avg Low
30°F
Warmest
2026
67°F avg
Coldest
1987
16°F avg

About This Date

March 29th in Boulder, CO typically brings cool spring weather, with average highs around 55°F and lows near 30°F — a 25°F daily swing. Over 56 years of records, the warmest March 29th was in 2026 (67°F average), while the coldest was 1987 (16°F) — a 51°F range across recorded history. Precipitation has occurred on 36% of recorded March 29th dates, with snow falling 18% of the time (heaviest snowfall: 8.3"). The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

Planning for March 29th in Boulder, CO? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Warming Trend
2.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest81°54°67°
202559°32°46°
202452°37°44°
202348°30°39°
202261°36°48°
202170°36°53°
202054°32°43°
201941°32°37°
201846°27°37°0.13"
201758°35°46°0.53"
201658°33°45°0.1"
201572°43°57°
201466°31°48°
201367°37°52°
201271°50°61°
201151°25°38°0.25"0.5"
201070°42°56°
200962°23°43°
200865°27°46°
200757°28°43°0.71"3.8"
200671°37°54°
200566°38°52°
200466°26°46°
200341°19°30°
200263°29°46°
200146°30°38°0.28"
200059°35°47°
199968°26°47°
199858°34°46°0.2"0.1"
199757°33°45°0.18"
199650°27°38°
199530°20°25°0.36"4.1"
199436°24°30°1.35"5.8"
199346°36°41°0.76"
199252°36°44°0.1"
199148°30°39°0.23"0.5"
199039°28°34°0.18"
198965°40°52°0.33"
198855°19°37°
1987coldest23°16°0.74"8.3"
198678°47°62°
198543°22°32°1.14"7"
198450°26°38°
198350°28°39°0.36"
198265°38°51°
198162°29°45°
198044°21°33°
197964°39°52°
197871°37°54°
197742°20°31°
197640°23°31°0.66"1.5"
197532°18°
197462°35°49°
197336°25°30°0.28"0.9"
197236°11°23°
197165°27°46°
56 years of data from BOULDER MUNI AP

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.