Weather on August 30
Boise, ID
55 Years of Data
Avg High
86°F
Avg Low
57°F
Warmest
2017
84°F avg
Coldest
2010
60°F avg
About This Date
August 30th in Boise, ID typically brings warm summer weather, with average highs around 86°F and lows near 57°F — a 29°F daily swing. Over 55 years of records, the warmest August 30th was in 2017 (84°F average), while the coldest was 2010 (60°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 30th dates historically, with the wettest August 30th recording 1.27" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for August 30th 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 | 94° | 62° | 78° | — | — |
| 2024 | 87° | 55° | 71° | — | — |
| 2023 | 77° | 57° | 67° | — | — |
| 2022 | 98° | 62° | 80° | — | — |
| 2021 | 89° | 60° | 75° | — | — |
| 2020 | 79° | 57° | 68° | — | — |
| 2019 | 92° | 61° | 76° | — | — |
| 2018 | 87° | 62° | 75° | — | — |
| 2017warmest | 98° | 70° | 84° | — | — |
| 2016 | 90° | 66° | 78° | — | — |
| 2015 | 80° | 56° | 68° | — | — |
| 2014 | 81° | 56° | 68° | 0.03" | — |
| 2013 | 90° | 61° | 75° | — | — |
| 2012 | 88° | 51° | 69° | — | — |
| 2011 | 92° | 62° | 77° | — | — |
| 2010coldest | 71° | 48° | 60° | — | — |
| 2009 | 81° | 56° | 68° | — | — |
| 2008 | 89° | 63° | 76° | — | — |
| 2007 | 98° | 66° | 82° | — | — |
| 2006 | 71° | 51° | 61° | — | — |
| 2005 | 73° | 51° | 62° | — | — |
| 2004 | 93° | 59° | 76° | — | — |
| 2003 | 88° | 60° | 74° | — | — |
| 2002 | 80° | 62° | 71° | 0.03" | — |
| 2001 | 95° | 60° | 78° | — | — |
| 2000 | 83° | 56° | 69° | — | — |
| 1999 | 89° | 50° | 70° | — | — |
| 1998 | 88° | 61° | 74° | — | — |
| 1997 | 93° | 58° | 75° | — | — |
| 1996 | 97° | 65° | 81° | — | — |
| 1995 | 85° | 50° | 67° | — | — |
| 1994 | 82° | 45° | 63° | — | — |
| 1993 | 80° | 49° | 64° | — | — |
| 1992 | 87° | 55° | 71° | — | — |
| 1991 | 93° | 56° | 74° | — | — |
| 1990 | 78° | 57° | 68° | — | — |
| 1989 | 72° | 53° | 62° | — | — |
| 1988 | 89° | 53° | 71° | — | — |
| 1987 | 92° | 54° | 73° | — | — |
| 1986 | 79° | 57° | 68° | — | — |
| 1985 | 86° | 67° | 76° | 0.03" | — |
| 1984 | 83° | 60° | 71° | 1.27" | — |
| 1983 | 95° | 54° | 74° | — | — |
| 1982 | 78° | 54° | 66° | 0.23" | — |
| 1981 | 75° | 52° | 63° | — | — |
| 1980 | 73° | 51° | 62° | — | — |
| 1979 | 72° | 54° | 63° | 0.15" | — |
| 1978 | 89° | 62° | 76° | — | — |
| 1977 | 71° | 50° | 61° | — | — |
| 1976 | 92° | 60° | 76° | — | — |
| 1975 | 83° | 51° | 67° | — | — |
| 1974 | 92° | 56° | 74° | — | — |
| 1973 | 88° | 59° | 73° | — | — |
| 1972 | 88° | 62° | 75° | — | — |
| 1971 | 92° | 64° | 78° | 0.05" | — |
55 years of data from BOISE AIR TERMINAL