Weather on July 4
Boise, ID
55 Years of Data
Avg High
89°F
Avg Low
58°F
Warmest
1975
90°F avg
Coldest
1986
55°F avg
About This Date
July 4th in Boise, ID typically brings warm summer weather, with average highs around 89°F and lows near 58°F — a 31°F daily swing. Over 55 years of records, the warmest July 4th was in 1975 (90°F average), while the coldest was 1986 (55°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 11% of July 4th dates historically, with the wettest July 4th recording 0.89" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for July 4th in Boise, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 61° | 69° | 0.74" | — |
| 2024 | 89° | 56° | 72° | — | — |
| 2023 | 88° | 56° | 72° | — | — |
| 2022 | 82° | 60° | 71° | — | — |
| 2021 | 101° | 74° | 87° | — | — |
| 2020 | 88° | 58° | 73° | — | — |
| 2019 | 82° | 53° | 68° | — | — |
| 2018 | 97° | 57° | 77° | — | — |
| 2017 | 101° | 64° | 82° | — | — |
| 2016 | 86° | 62° | 74° | — | — |
| 2015 | 100° | 71° | 86° | — | — |
| 2014 | 99° | 65° | 82° | — | — |
| 2013 | 96° | 67° | 81° | — | — |
| 2012 | 90° | 52° | 71° | — | — |
| 2011 | 95° | 57° | 76° | — | — |
| 2010 | 81° | 50° | 65° | — | — |
| 2009 | 93° | 68° | 81° | — | — |
| 2008 | 93° | 69° | 81° | — | — |
| 2007 | 101° | 63° | 82° | — | — |
| 2006 | 100° | 68° | 84° | 0.43" | — |
| 2005 | 89° | 55° | 72° | — | — |
| 2004 | 86° | 60° | 73° | — | — |
| 2003 | 91° | 57° | 74° | — | — |
| 2002 | 85° | 57° | 71° | — | — |
| 2001 | 105° | 72° | 88° | — | — |
| 2000 | 77° | 45° | 61° | — | — |
| 1999 | 72° | 50° | 61° | — | — |
| 1998 | 86° | 54° | 70° | — | — |
| 1997 | 91° | 58° | 74° | — | — |
| 1996 | 92° | 60° | 76° | — | — |
| 1995 | 82° | 46° | 64° | — | — |
| 1994 | 85° | 46° | 65° | — | — |
| 1993 | 76° | 53° | 64° | 0.18" | — |
| 1992 | 88° | 61° | 74° | 0.08" | — |
| 1991 | 101° | 65° | 83° | — | — |
| 1990 | 91° | 49° | 70° | — | — |
| 1989 | 93° | 51° | 72° | — | — |
| 1988 | 93° | 53° | 73° | — | — |
| 1987 | 93° | 61° | 77° | — | — |
| 1986coldest | 64° | 47° | 55° | 0.41" | — |
| 1985 | 101° | 63° | 82° | — | — |
| 1984 | 92° | 56° | 74° | — | — |
| 1983 | 87° | 48° | 68° | — | — |
| 1982 | 68° | 48° | 58° | — | — |
| 1981 | 102° | 64° | 83° | — | — |
| 1980 | 88° | 51° | 69° | — | — |
| 1979 | 88° | 54° | 71° | — | — |
| 1978 | 72° | 54° | 63° | 0.89" | — |
| 1977 | 77° | 53° | 65° | — | — |
| 1976 | 89° | 55° | 72° | — | — |
| 1975warmest | 102° | 78° | 90° | — | — |
| 1974 | 93° | 60° | 77° | — | — |
| 1973 | 95° | 57° | 76° | — | — |
| 1972 | 95° | 60° | 78° | — | — |
| 1971 | 84° | 51° | 68° | — | — |
55 years of data from BOISE AIR TERMINAL