Weather on May 26
Boise, ID
55 Years of Data
Avg High
75°F
Avg Low
49°F
Warmest
1986
78°F avg
Coldest
1998
44°F avg
About This Date
May 26th 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 26th was in 1986 (78°F average), while the coldest was 1998 (44°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 25% of May 26th dates historically, with the wettest May 26th recording 2.46" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for May 26th in Boise, ID? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 56° | 69° | — | — |
| 2024 | 73° | 44° | 59° | — | — |
| 2023 | 78° | 58° | 68° | 0.03" | — |
| 2022 | 88° | 54° | 71° | — | — |
| 2021 | 71° | 48° | 60° | — | — |
| 2020 | 76° | 58° | 67° | 0.05" | — |
| 2019 | 73° | 49° | 61° | 0.15" | — |
| 2018 | 73° | 54° | 63° | 0.15" | — |
| 2017 | 73° | 48° | 61° | — | — |
| 2016 | 75° | 46° | 61° | — | — |
| 2015 | 78° | 51° | 65° | 0.03" | — |
| 2014 | 81° | 53° | 67° | — | — |
| 2013 | 72° | 49° | 60° | 0.56" | — |
| 2012 | 57° | 43° | 50° | 0.84" | — |
| 2011 | 58° | 41° | 49° | — | — |
| 2010 | 67° | 49° | 58° | 0.15" | — |
| 2009 | 84° | 54° | 69° | — | — |
| 2008 | 75° | 52° | 63° | 0.48" | — |
| 2007 | 83° | 56° | 69° | — | — |
| 2006 | 64° | 50° | 57° | — | — |
| 2005 | 81° | 51° | 66° | — | — |
| 2004 | 68° | 52° | 60° | 0.18" | — |
| 2003 | 80° | 55° | 68° | — | — |
| 2002 | 79° | 55° | 67° | — | — |
| 2001 | 87° | 59° | 73° | — | — |
| 2000 | 76° | 49° | 62° | — | — |
| 1999 | 80° | 48° | 64° | — | — |
| 1998coldest | 47° | 42° | 44° | 2.46" | — |
| 1997 | 70° | 46° | 58° | — | — |
| 1996 | 78° | 46° | 62° | — | — |
| 1995 | 69° | 45° | 57° | — | — |
| 1994 | 91° | 51° | 71° | — | — |
| 1993 | 83° | 47° | 65° | — | — |
| 1992 | 79° | 62° | 70° | — | — |
| 1991 | 66° | 34° | 50° | — | — |
| 1990 | 69° | 51° | 60° | — | — |
| 1989 | 68° | 37° | 53° | — | — |
| 1988 | 85° | 45° | 65° | — | — |
| 1987 | 59° | 50° | 55° | 1.27" | — |
| 1986warmest | 95° | 60° | 78° | — | — |
| 1985 | 78° | 50° | 64° | — | — |
| 1984 | 70° | 44° | 57° | — | — |
| 1983 | 89° | 52° | 70° | — | — |
| 1982 | 72° | 48° | 60° | — | — |
| 1981 | 74° | 45° | 59° | — | — |
| 1980 | 50° | 43° | 46° | 1.14" | — |
| 1979 | 88° | 54° | 71° | — | — |
| 1978 | 68° | 41° | 55° | — | — |
| 1977 | 65° | 47° | 56° | 0.38" | — |
| 1976 | 78° | 38° | 58° | — | — |
| 1975 | 75° | 44° | 60° | — | — |
| 1974 | 86° | 57° | 72° | — | — |
| 1973 | 62° | 33° | 48° | — | — |
| 1972 | 75° | 42° | 59° | — | — |
| 1971 | 86° | 55° | 71° | — | — |
55 years of data from BOISE AIR TERMINAL