Weather on May 28
Boise, ID
55 Years of Data
Avg High
75°F
Avg Low
49°F
Warmest
2003
80°F avg
Coldest
2011
44°F avg
About This Date
May 28th in Boise, ID typically brings pleasant spring weather, with average highs around 75°F and lows near 49°F — a 26°F daily swing. Over 55 years of records, the warmest May 28th was in 2003 (80°F average), while the coldest was 2011 (44°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 22% of May 28th dates historically, with the wettest May 28th recording 2.11" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for May 28th in Boise, ID? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 55° | 72° | — | — |
| 2024 | 90° | 58° | 74° | 0.99" | — |
| 2023 | 81° | 53° | 67° | — | — |
| 2022 | 69° | 50° | 60° | 0.84" | — |
| 2021 | 70° | 51° | 60° | — | — |
| 2020 | 91° | 55° | 73° | — | — |
| 2019 | 77° | 51° | 64° | 2.11" | — |
| 2018 | 84° | 57° | 71° | — | — |
| 2017 | 85° | 56° | 70° | — | — |
| 2016 | 70° | 43° | 56° | — | — |
| 2015 | 79° | 49° | 64° | — | — |
| 2014 | 72° | 51° | 61° | — | — |
| 2013 | 65° | 50° | 57° | 0.13" | — |
| 2012 | 76° | 47° | 61° | — | — |
| 2011coldest | 53° | 36° | 44° | — | — |
| 2010 | 63° | 46° | 54° | — | — |
| 2009 | 91° | 59° | 75° | — | — |
| 2008 | 69° | 53° | 61° | 0.08" | — |
| 2007 | 67° | 44° | 55° | — | — |
| 2006 | 58° | 43° | 50° | — | — |
| 2005 | 87° | 57° | 72° | — | — |
| 2004 | 62° | 45° | 53° | 1.3" | — |
| 2003warmest | 99° | 61° | 80° | — | — |
| 2002 | 79° | 63° | 71° | — | — |
| 2001 | 80° | 55° | 68° | — | — |
| 2000 | 75° | 56° | 65° | — | — |
| 1999 | 86° | 56° | 71° | 0.03" | — |
| 1998 | 73° | 37° | 55° | — | — |
| 1997 | 73° | 52° | 62° | 0.25" | — |
| 1996 | 66° | 47° | 56° | — | — |
| 1995 | 78° | 43° | 60° | — | — |
| 1994 | 71° | 46° | 59° | — | — |
| 1993 | 72° | 50° | 61° | 0.05" | — |
| 1992 | 83° | 50° | 66° | — | — |
| 1991 | 74° | 39° | 56° | — | — |
| 1990 | 65° | 54° | 59° | 1.22" | — |
| 1989 | 63° | 41° | 52° | — | — |
| 1988 | 75° | 48° | 62° | 0.69" | — |
| 1987 | 71° | 50° | 61° | — | — |
| 1986 | 95° | 61° | 78° | — | — |
| 1985 | 70° | 50° | 60° | — | — |
| 1984 | 84° | 43° | 63° | — | — |
| 1983 | 93° | 56° | 74° | — | — |
| 1982 | 62° | 34° | 48° | — | — |
| 1981 | 78° | 45° | 61° | — | — |
| 1980 | 67° | 42° | 54° | — | — |
| 1979 | 60° | 41° | 51° | — | — |
| 1978 | 76° | 45° | 60° | — | — |
| 1977 | 62° | 37° | 50° | — | — |
| 1976 | 64° | 40° | 52° | 0.3" | — |
| 1975 | 75° | 40° | 57° | — | — |
| 1974 | 74° | 46° | 60° | — | — |
| 1973 | 74° | 43° | 58° | — | — |
| 1972 | 88° | 58° | 73° | — | — |
| 1971 | 71° | 52° | 61° | — | — |
55 years of data from BOISE AIR TERMINAL