Weather on April 15
Boise, ID
55 Years of Data
Avg High
62°F
Avg Low
38°F
Warmest
1990
65°F avg
Coldest
1995
37°F avg
About This Date
April 15th in Boise, ID typically brings mild spring weather, with average highs around 62°F and lows near 38°F. Over 55 years of records, the warmest April 15th was in 1990 (65°F average), while the coldest was 1995 (37°F) — a 28°F range across recorded history. Precipitation has occurred on 24% of recorded April 15th dates, with snow falling 2% of the time. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for April 15th in Boise, ID? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 42° | 59° | — | — |
| 2024 | 64° | 45° | 54° | — | — |
| 2023 | 66° | 37° | 52° | — | — |
| 2022 | 50° | 31° | 41° | — | — |
| 2021 | 63° | 40° | 51° | — | — |
| 2020 | 62° | 43° | 52° | 0.05" | — |
| 2019 | 55° | 40° | 47° | 0.61" | — |
| 2018 | 69° | 46° | 58° | — | — |
| 2017 | 57° | 31° | 44° | — | — |
| 2016 | 58° | 37° | 47° | — | — |
| 2015 | 57° | 30° | 44° | — | — |
| 2014 | 61° | 41° | 51° | — | — |
| 2013 | 52° | 27° | 40° | — | — |
| 2012 | 61° | 38° | 49° | — | — |
| 2011 | 58° | 41° | 49° | — | — |
| 2010 | 71° | 39° | 55° | — | — |
| 2009 | 55° | 40° | 47° | — | — |
| 2008 | 48° | 36° | 42° | — | — |
| 2007 | 60° | 41° | 51° | — | — |
| 2006 | 62° | 43° | 52° | 0.03" | — |
| 2005 | 61° | 34° | 47° | — | — |
| 2004 | 58° | 41° | 49° | — | — |
| 2003 | 58° | 34° | 46° | — | — |
| 2002 | 50° | 37° | 44° | — | — |
| 2001 | 62° | 35° | 49° | — | — |
| 2000 | 63° | 41° | 52° | 0.08" | — |
| 1999 | 59° | 29° | 44° | — | — |
| 1998 | 51° | 26° | 39° | — | — |
| 1997 | 69° | 40° | 54° | — | — |
| 1996 | 70° | 46° | 58° | — | — |
| 1995coldest | 53° | 21° | 37° | — | — |
| 1994 | 74° | 31° | 52° | — | — |
| 1993 | 55° | 39° | 47° | 0.3" | — |
| 1992 | 76° | 39° | 57° | — | — |
| 1991 | 58° | 39° | 48° | 0.69" | — |
| 1990warmest | 85° | 45° | 65° | — | — |
| 1989 | 72° | 51° | 61° | 0.33" | — |
| 1988 | 74° | 50° | 62° | 0.23" | — |
| 1987 | 74° | 42° | 58° | — | — |
| 1986 | 63° | 43° | 53° | 0.41" | — |
| 1985 | 74° | 52° | 63° | — | — |
| 1984 | 78° | 44° | 61° | — | — |
| 1983 | 60° | 33° | 47° | — | — |
| 1982 | 48° | 29° | 38° | — | — |
| 1981 | 76° | 38° | 57° | — | — |
| 1980 | 60° | 37° | 49° | — | — |
| 1979 | 67° | 44° | 55° | — | — |
| 1978 | 60° | 48° | 54° | 0.33" | — |
| 1977 | 69° | 30° | 50° | — | — |
| 1976 | 55° | 31° | 43° | 0.97" | 0.2" |
| 1975 | 49° | 38° | 43° | 0.38" | — |
| 1974 | 69° | 44° | 57° | — | — |
| 1973 | 59° | 34° | 46° | — | — |
| 1972 | 63° | 32° | 47° | — | — |
| 1971 | 57° | 36° | 46° | 0.03" | — |
55 years of data from BOISE AIR TERMINAL