Weather on March 30
Boulder, CO
55 Years of Data
Avg High
56°F
Avg Low
30°F
Warmest
2026
69°F avg
Coldest
1985
27°F avg
About This Date
March 30th in Boulder, CO typically brings cool spring weather, with average highs around 56°F and lows near 30°F — a 26°F daily swing. Over 56 years of records, the warmest March 30th was in 2026 (69°F average), while the coldest was 1985 (27°F) — a 42°F range across recorded history. Precipitation has occurred on 27% of recorded March 30th dates, with snow falling 20% of the time (heaviest snowfall: 6.8"). The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for March 30th in Boulder, CO? Bring layers as temperatures can vary throughout the day. Check road conditions if traveling, as snow is possible.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 81° | 57° | 69° | — | — |
| 2025 | 45° | 34° | 39° | — | — |
| 2024 | 55° | 37° | 46° | — | — |
| 2023 | 63° | 28° | 46° | — | — |
| 2022 | 50° | 32° | 41° | — | — |
| 2021 | 41° | 27° | 34° | — | — |
| 2020 | 57° | 36° | 46° | — | — |
| 2019 | 41° | 30° | 36° | — | — |
| 2018 | 63° | 30° | 47° | — | — |
| 2017 | 66° | 32° | 49° | — | — |
| 2016 | 49° | 30° | 39° | 0.25" | 0.6" |
| 2015 | 74° | 36° | 55° | — | — |
| 2014 | 71° | 41° | 56° | — | — |
| 2013 | 66° | 36° | 51° | — | — |
| 2012 | 77° | 44° | 61° | — | — |
| 2011 | 55° | 34° | 44° | — | — |
| 2010 | 79° | 47° | 63° | — | — |
| 2009 | 60° | 28° | 44° | — | — |
| 2008 | 43° | 25° | 34° | 0.51" | 1.7" |
| 2007 | 37° | 27° | 32° | 0.1" | 0.6" |
| 2006 | 59° | 38° | 48° | — | — |
| 2005 | 51° | 30° | 41° | 0.03" | — |
| 2004 | 70° | 32° | 51° | — | — |
| 2003 | 59° | 23° | 41° | — | — |
| 2002 | 55° | 27° | 41° | — | — |
| 2001 | 57° | 31° | 44° | 0.15" | — |
| 2000 | 42° | 31° | 36° | 1.14" | 4" |
| 1999 | 76° | 37° | 56° | — | — |
| 1998 | 38° | 25° | 31° | 0.91" | 3.6" |
| 1997 | 66° | 26° | 46° | — | — |
| 1996 | 54° | 33° | 43° | 0.18" | — |
| 1995 | 42° | 13° | 27° | 0.1" | 0.4" |
| 1994 | 54° | 16° | 35° | — | — |
| 1993 | 43° | 34° | 38° | 2.16" | 0.2" |
| 1992 | 59° | 30° | 45° | — | — |
| 1991 | 53° | 21° | 37° | — | — |
| 1990 | 38° | 25° | 31° | 0.43" | — |
| 1989 | 52° | 30° | 41° | — | — |
| 1988 | 47° | 30° | 38° | 0.25" | 0.3" |
| 1987 | 49° | 9° | 29° | — | — |
| 1986 | 79° | 45° | 62° | — | — |
| 1985coldest | 42° | 12° | 27° | 1.09" | 6.8" |
| 1984 | 40° | 30° | 35° | 0.89" | 2" |
| 1983 | 49° | 27° | 38° | — | — |
| 1982 | 63° | 37° | 50° | — | — |
| 1981 | 62° | 40° | 51° | — | — |
| 1980 | 52° | 26° | 39° | — | — |
| 1979 | 55° | 31° | 43° | — | — |
| 1978 | 76° | 41° | 58° | — | — |
| 1977 | 46° | 17° | 32° | — | — |
| 1976 | 43° | 20° | 31° | — | — |
| 1975 | 56° | 16° | 36° | — | — |
| 1974 | 71° | 22° | 46° | — | — |
| 1973 | 37° | 26° | 32° | 0.1" | 0.4" |
| 1972 | 44° | 17° | 31° | — | — |
| 1971 | 77° | 39° | 58° | — | — |
56 years of data from BOULDER MUNI AP