Weather on August 3
Boise, ID
55 Years of Data
Avg High
92°F
Avg Low
61°F
Warmest
1971
88°F avg
Coldest
1980
63°F avg
About This Date
August 3rd in Boise, ID typically brings hot summer weather, with average highs around 92°F and lows near 61°F — a 31°F daily swing. Over 55 years of records, the warmest August 3rd was in 1971 (88°F average), while the coldest was 1980 (63°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 7% of August 3rd dates historically. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for August 3rd in Boise, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 64° | 79° | — | — |
| 2024 | 99° | 76° | 87° | — | — |
| 2023 | 92° | 70° | 81° | 0.05" | — |
| 2022 | 98° | 66° | 82° | — | — |
| 2021 | 96° | 69° | 83° | — | — |
| 2020 | 93° | 68° | 81° | — | — |
| 2019 | 97° | 63° | 80° | — | — |
| 2018 | 88° | 61° | 74° | — | — |
| 2017 | 98° | 68° | 83° | — | — |
| 2016 | 81° | 53° | 67° | — | — |
| 2015 | 93° | 74° | 83° | — | — |
| 2014 | 99° | 70° | 84° | — | — |
| 2013 | 89° | 54° | 71° | — | — |
| 2012 | 89° | 59° | 74° | — | — |
| 2011 | 98° | 66° | 82° | — | — |
| 2010 | 96° | 61° | 78° | — | — |
| 2009 | 98° | 70° | 84° | — | — |
| 2008 | 91° | 58° | 74° | — | — |
| 2007 | 97° | 70° | 83° | — | — |
| 2006 | 93° | 58° | 75° | — | — |
| 2005 | 92° | 58° | 75° | — | — |
| 2004 | 88° | 64° | 76° | — | — |
| 2003 | 82° | 66° | 74° | 0.03" | — |
| 2002 | 87° | 54° | 70° | — | — |
| 2001 | 99° | 65° | 82° | — | — |
| 2000 | 102° | 72° | 87° | 0.03" | — |
| 1999 | 87° | 68° | 78° | — | — |
| 1998 | 94° | 64° | 79° | — | — |
| 1997 | 100° | 65° | 82° | — | — |
| 1996 | 73° | 54° | 63° | — | — |
| 1995 | 95° | 55° | 75° | — | — |
| 1994 | 103° | 68° | 85° | — | — |
| 1993 | 96° | 60° | 78° | — | — |
| 1992 | 97° | 62° | 79° | — | — |
| 1991 | 95° | 63° | 79° | — | — |
| 1990 | 91° | 53° | 72° | — | — |
| 1989 | 84° | 47° | 65° | — | — |
| 1988 | 83° | 46° | 64° | — | — |
| 1987 | 92° | 52° | 72° | — | — |
| 1986 | 97° | 59° | 78° | — | — |
| 1985 | 80° | 49° | 64° | — | — |
| 1984 | 94° | 65° | 79° | — | — |
| 1983 | 96° | 66° | 81° | — | — |
| 1982 | 81° | 49° | 65° | — | — |
| 1981 | 87° | 52° | 69° | — | — |
| 1980coldest | 75° | 51° | 63° | — | — |
| 1979 | 92° | 54° | 73° | — | — |
| 1978 | 95° | 58° | 76° | — | — |
| 1977 | 97° | 66° | 81° | — | — |
| 1976 | 84° | 56° | 70° | — | — |
| 1975 | 91° | 55° | 73° | — | — |
| 1974 | 90° | 63° | 76° | — | — |
| 1973 | 88° | 65° | 76° | 0.03" | — |
| 1972 | 87° | 55° | 71° | — | — |
| 1971warmest | 98° | 77° | 88° | — | — |
55 years of data from BOISE AIR TERMINAL