Weather on October 23
Boise, ID
55 Years of Data
Avg High
61°F
Avg Low
39°F
Warmest
1989
60°F avg
Coldest
1975
37°F avg
About This Date
October 23rd in Boise, ID typically brings mild fall weather, with average highs around 61°F and lows near 39°F. Over 55 years of records, the warmest October 23rd was in 1989 (60°F average), while the coldest was 1975 (37°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 31% of October 23rd dates historically, with the wettest October 23rd recording 1.09" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for October 23rd in Boise, ID? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 37° | 51° | — | — |
| 2024 | 60° | 43° | 51° | 0.18" | — |
| 2023 | 68° | 48° | 58° | 0.36" | — |
| 2022 | 51° | 34° | 42° | — | — |
| 2021 | 54° | 42° | 48° | 0.05" | — |
| 2020 | 55° | 31° | 43° | — | — |
| 2019 | 59° | 38° | 48° | — | — |
| 2018 | 69° | 50° | 60° | — | — |
| 2017 | 60° | 38° | 49° | — | — |
| 2016 | 74° | 44° | 59° | — | — |
| 2015 | 65° | 37° | 51° | — | — |
| 2014 | 62° | 52° | 57° | 0.13" | — |
| 2013 | 70° | 42° | 56° | — | — |
| 2012 | 50° | 37° | 44° | 0.23" | — |
| 2011 | 71° | 43° | 57° | — | — |
| 2010 | 59° | 49° | 54° | — | — |
| 2009 | 65° | 47° | 56° | 0.18" | — |
| 2008 | 58° | 33° | 45° | — | — |
| 2007 | 70° | 40° | 55° | — | — |
| 2006 | 60° | 36° | 48° | — | — |
| 2005 | 72° | 40° | 56° | — | — |
| 2004 | 46° | 37° | 42° | 1.09" | — |
| 2003 | 63° | 41° | 52° | — | — |
| 2002 | 53° | 41° | 47° | 0.79" | — |
| 2001 | 58° | 35° | 46° | 0.3" | — |
| 2000 | 56° | 32° | 44° | — | — |
| 1999 | 68° | 44° | 56° | — | — |
| 1998 | 68° | 47° | 57° | — | — |
| 1997 | 56° | 35° | 45° | — | — |
| 1996 | 51° | 37° | 44° | 0.25" | — |
| 1995 | 60° | 33° | 47° | — | — |
| 1994 | 61° | 31° | 46° | — | — |
| 1993 | 74° | 38° | 56° | — | — |
| 1992 | 73° | 44° | 59° | — | — |
| 1991 | 52° | 34° | 43° | — | — |
| 1990 | 60° | 32° | 46° | — | — |
| 1989warmest | 71° | 48° | 60° | 0.13" | — |
| 1988 | 68° | 35° | 52° | — | — |
| 1987 | 64° | 37° | 51° | — | — |
| 1986 | 73° | 43° | 58° | — | — |
| 1985 | 55° | 43° | 49° | 0.05" | — |
| 1984 | 48° | 26° | 37° | — | — |
| 1983 | 57° | 34° | 45° | 0.25" | — |
| 1982 | 67° | 50° | 58° | 0.13" | — |
| 1981 | 60° | 33° | 47° | — | — |
| 1980 | 59° | 30° | 45° | — | — |
| 1979 | 57° | 44° | 51° | 0.13" | — |
| 1978 | 66° | 32° | 49° | — | — |
| 1977 | 67° | 45° | 56° | — | — |
| 1976 | 58° | 33° | 45° | — | — |
| 1975coldest | 46° | 29° | 37° | — | — |
| 1974 | 49° | 36° | 42° | 0.15" | — |
| 1973 | 57° | 44° | 51° | 0.38" | — |
| 1972 | 59° | 43° | 51° | — | — |
| 1971 | 58° | 43° | 50° | — | — |
55 years of data from BOISE AIR TERMINAL