Weather on June 15
Boise, ID
55 Years of Data
Avg High
80°F
Avg Low
53°F
Warmest
1999
82°F avg
Coldest
2016
53°F avg
About This Date
June 15th in Boise, ID typically brings warm summer weather, with average highs around 80°F and lows near 53°F — a 27°F daily swing. Over 55 years of records, the warmest June 15th was in 1999 (82°F average), while the coldest was 2016 (53°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 20% of June 15th dates historically, with the wettest June 15th recording 1.42" of rain. The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in Boise, ID? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 57° | 72° | — | — |
| 2024 | 73° | 55° | 64° | — | — |
| 2023 | 78° | 49° | 63° | — | — |
| 2022 | 77° | 42° | 60° | — | — |
| 2021 | 89° | 61° | 75° | — | — |
| 2020 | 62° | 51° | 57° | 0.3" | — |
| 2019 | 86° | 55° | 71° | — | — |
| 2018 | 78° | 54° | 66° | — | — |
| 2017 | 78° | 56° | 67° | — | — |
| 2016coldest | 62° | 44° | 53° | 0.25" | — |
| 2015 | 91° | 53° | 72° | — | — |
| 2014 | 76° | 53° | 64° | — | — |
| 2013 | 85° | 50° | 67° | — | — |
| 2012 | 83° | 54° | 68° | — | — |
| 2011 | 69° | 49° | 59° | — | — |
| 2010 | 75° | 53° | 64° | — | — |
| 2009 | 72° | 56° | 64° | 1.42" | — |
| 2008 | 87° | 53° | 70° | — | — |
| 2007 | 88° | 54° | 71° | — | — |
| 2006 | 71° | 51° | 61° | — | — |
| 2005 | 82° | 52° | 67° | — | — |
| 2004 | 75° | 46° | 61° | — | — |
| 2003 | 90° | 54° | 72° | — | — |
| 2002 | 96° | 65° | 80° | — | — |
| 2001 | 78° | 48° | 63° | — | — |
| 2000 | 78° | 59° | 69° | — | — |
| 1999warmest | 100° | 64° | 82° | 0.08" | — |
| 1998 | 71° | 50° | 61° | 0.03" | — |
| 1997 | 85° | 57° | 71° | — | — |
| 1996 | 94° | 58° | 76° | 0.1" | — |
| 1995 | 71° | 55° | 63° | 0.13" | — |
| 1994 | 66° | 46° | 56° | — | — |
| 1993 | 76° | 54° | 65° | 0.13" | — |
| 1992 | 58° | 50° | 54° | 0.05" | — |
| 1991 | 88° | 49° | 68° | — | — |
| 1990 | 74° | 42° | 58° | — | — |
| 1989 | 93° | 59° | 76° | — | — |
| 1988 | 96° | 60° | 78° | — | — |
| 1987 | 88° | 56° | 72° | 0.25" | — |
| 1986 | 86° | 51° | 69° | — | — |
| 1985 | 86° | 53° | 70° | — | — |
| 1984 | 83° | 51° | 67° | 0.05" | — |
| 1983 | 76° | 56° | 66° | — | — |
| 1982 | 84° | 53° | 69° | — | — |
| 1981 | 77° | 44° | 61° | — | — |
| 1980 | 73° | 44° | 59° | — | — |
| 1979 | 77° | 45° | 61° | — | — |
| 1978 | 69° | 44° | 57° | — | — |
| 1977 | 83° | 52° | 67° | — | — |
| 1976 | 79° | 49° | 64° | — | — |
| 1975 | 83° | 55° | 69° | — | — |
| 1974 | 97° | 66° | 81° | — | — |
| 1973 | 67° | 44° | 55° | — | — |
| 1972 | 90° | 58° | 74° | — | — |
| 1971 | 81° | 50° | 65° | — | — |
55 years of data from BOISE AIR TERMINAL