Weather on April 27
Boise, ID
55 Years of Data
Avg High
66°F
Avg Low
41°F
Warmest
1987
74°F avg
Coldest
1974
40°F avg
About This Date
April 27th in Boise, ID typically brings mild spring weather, with average highs around 66°F and lows near 41°F — a 25°F daily swing. Over 55 years of records, the warmest April 27th was in 1987 (74°F average), while the coldest was 1974 (40°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 25% of April 27th dates historically, with the wettest April 27th recording 1.78" of rain. 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 April 27th in Boise, ID? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 45° | 54° | 0.28" | — |
| 2024 | 66° | 43° | 54° | — | — |
| 2023 | 75° | 46° | 61° | — | — |
| 2022 | 64° | 36° | 50° | — | — |
| 2021 | 62° | 37° | 50° | — | — |
| 2020 | 69° | 51° | 60° | 0.05" | — |
| 2019 | 69° | 39° | 54° | — | — |
| 2018 | 90° | 50° | 70° | — | — |
| 2017 | 52° | 38° | 45° | — | — |
| 2016 | 61° | 50° | 55° | — | — |
| 2015 | 68° | 35° | 52° | — | — |
| 2014 | 54° | 36° | 45° | 0.74" | — |
| 2013 | 78° | 47° | 62° | — | — |
| 2012 | 54° | 40° | 47° | 0.1" | — |
| 2011 | 64° | 35° | 50° | — | — |
| 2010 | 68° | 45° | 56° | 0.23" | — |
| 2009 | 65° | 38° | 51° | — | — |
| 2008 | 73° | 41° | 57° | — | — |
| 2007 | 77° | 43° | 60° | — | — |
| 2006 | 71° | 43° | 57° | — | — |
| 2005 | 75° | 48° | 62° | 0.1" | — |
| 2004 | 82° | 48° | 65° | — | — |
| 2003 | 60° | 37° | 49° | — | — |
| 2002 | 62° | 40° | 51° | — | — |
| 2001 | 81° | 51° | 66° | 0.03" | — |
| 2000 | 87° | 49° | 68° | — | — |
| 1999 | 60° | 36° | 48° | — | — |
| 1998 | 69° | 37° | 53° | — | — |
| 1997 | 63° | 46° | 54° | 0.15" | — |
| 1996 | 54° | 36° | 45° | — | — |
| 1995 | 73° | 42° | 58° | 0.05" | — |
| 1994 | 56° | 40° | 48° | 0.36" | — |
| 1993 | 61° | 33° | 47° | — | — |
| 1992 | 80° | 44° | 62° | — | — |
| 1991 | 53° | 36° | 44° | 0.18" | — |
| 1990 | 50° | 39° | 45° | 1.78" | — |
| 1989 | 60° | 35° | 48° | — | — |
| 1988 | 73° | 40° | 56° | — | — |
| 1987warmest | 92° | 56° | 74° | — | — |
| 1986 | 57° | 43° | 50° | 0.2" | — |
| 1985 | 70° | 36° | 53° | — | — |
| 1984 | 50° | 36° | 43° | — | — |
| 1983 | 61° | 36° | 48° | — | — |
| 1982 | 71° | 39° | 55° | — | — |
| 1981 | 62° | 44° | 53° | — | — |
| 1980 | 77° | 48° | 63° | — | — |
| 1979 | 65° | 43° | 54° | — | — |
| 1978 | 48° | 46° | 47° | 0.74" | — |
| 1977 | 74° | 35° | 54° | — | — |
| 1976 | 59° | 36° | 47° | — | — |
| 1975 | 55° | 41° | 48° | — | — |
| 1974coldest | 52° | 29° | 40° | — | — |
| 1973 | 71° | 47° | 59° | — | — |
| 1972 | 73° | 39° | 56° | — | — |
| 1971 | 64° | 33° | 49° | — | — |
55 years of data from BOISE AIR TERMINAL