Weather on August 4
Boise, ID
55 Years of Data
Avg High
94°F
Avg Low
61°F
Warmest
2021
86°F avg
Coldest
1996
63°F avg
About This Date
August 4th in Boise, ID typically brings hot summer weather, with average highs around 94°F and lows near 61°F — a 33°F daily swing. Over 55 years of records, the warmest August 4th was in 2021 (86°F average), while the coldest was 1996 (63°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 7% of August 4th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 4th in Boise, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 60° | 72° | — | — |
| 2024 | 96° | 71° | 84° | 0.05" | — |
| 2023 | 81° | 64° | 72° | 0.05" | — |
| 2022 | 99° | 74° | 86° | — | — |
| 2021warmest | 105° | 67° | 86° | — | — |
| 2020 | 93° | 60° | 77° | — | — |
| 2019 | 99° | 63° | 81° | — | — |
| 2018 | 87° | 56° | 71° | — | — |
| 2017 | 98° | 65° | 81° | — | — |
| 2016 | 90° | 55° | 72° | — | — |
| 2015 | 92° | 64° | 78° | 0.03" | — |
| 2014 | 90° | 74° | 82° | — | — |
| 2013 | 95° | 57° | 76° | — | — |
| 2012 | 95° | 59° | 77° | — | — |
| 2011 | 92° | 66° | 79° | — | — |
| 2010 | 99° | 65° | 82° | — | — |
| 2009 | 98° | 69° | 84° | — | — |
| 2008 | 96° | 59° | 78° | — | — |
| 2007 | 95° | 65° | 80° | — | — |
| 2006 | 94° | 63° | 78° | — | — |
| 2005 | 98° | 62° | 80° | — | — |
| 2004 | 96° | 62° | 79° | — | — |
| 2003 | 92° | 64° | 78° | — | — |
| 2002 | 86° | 62° | 74° | — | — |
| 2001 | 89° | 64° | 77° | — | — |
| 2000 | 95° | 74° | 84° | — | — |
| 1999 | 94° | 63° | 78° | — | — |
| 1998 | 100° | 70° | 85° | — | — |
| 1997 | 94° | 71° | 82° | — | — |
| 1996coldest | 78° | 48° | 63° | — | — |
| 1995 | 95° | 66° | 81° | — | — |
| 1994 | 99° | 63° | 81° | — | — |
| 1993 | 95° | 70° | 82° | — | — |
| 1992 | 96° | 57° | 77° | — | — |
| 1991 | 97° | 72° | 84° | — | — |
| 1990 | 97° | 57° | 77° | — | — |
| 1989 | 88° | 50° | 69° | — | — |
| 1988 | 91° | 51° | 71° | — | — |
| 1987 | 100° | 59° | 80° | — | — |
| 1986 | 95° | 56° | 75° | — | — |
| 1985 | 95° | 58° | 76° | — | — |
| 1984 | 96° | 60° | 78° | — | — |
| 1983 | 98° | 64° | 81° | — | — |
| 1982 | 87° | 51° | 69° | — | — |
| 1981 | 89° | 50° | 70° | — | — |
| 1980 | 83° | 47° | 65° | — | — |
| 1979 | 99° | 58° | 78° | — | — |
| 1978 | 102° | 61° | 81° | — | — |
| 1977 | 93° | 62° | 78° | — | — |
| 1976 | 76° | 53° | 64° | 0.18" | — |
| 1975 | 97° | 61° | 79° | — | — |
| 1974 | 94° | 59° | 76° | — | — |
| 1973 | 92° | 59° | 75° | — | — |
| 1972 | 93° | 56° | 74° | — | — |
| 1971 | 102° | 66° | 84° | — | — |
55 years of data from BOISE AIR TERMINAL