Weather on February 15
Boise, ID
55 Years of Data
Avg High
46°F
Avg Low
30°F
Warmest
2011
55°F avg
Coldest
1990
21°F avg
About This Date
February 15th in Boise, ID typically brings chilly winter weather, with average highs around 46°F and lows near 30°F. Over 56 years of records, the warmest February 15th was in 2011 (55°F average), while the coldest was 1990 (21°F) — a 34°F range across recorded history. Precipitation has occurred on 38% of recorded February 15th dates, with snow falling 11% of the time (heaviest snowfall: 3.1"). The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for February 15th in Boise, ID? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 57° | 36° | 46° | — | — |
| 2025 | 38° | 23° | 31° | — | — |
| 2024 | 51° | 39° | 45° | 0.28" | — |
| 2023 | 43° | 25° | 34° | — | — |
| 2022 | 47° | 30° | 39° | — | — |
| 2021 | 39° | 32° | 36° | 0.76" | 0.9" |
| 2020 | 45° | 30° | 38° | — | — |
| 2019 | 43° | 32° | 37° | — | — |
| 2018 | 41° | 30° | 36° | — | — |
| 2017 | 45° | 22° | 34° | — | — |
| 2016 | 60° | 42° | 51° | — | — |
| 2015 | 54° | 33° | 43° | — | — |
| 2014 | 56° | 40° | 48° | 0.48" | — |
| 2013 | 53° | 27° | 40° | — | — |
| 2012 | 44° | 25° | 34° | 0.05" | 0.3" |
| 2011warmest | 64° | 46° | 55° | — | — |
| 2010 | 45° | 37° | 41° | 0.08" | — |
| 2009 | 44° | 28° | 36° | — | — |
| 2008 | 41° | 26° | 34° | — | — |
| 2007 | 47° | 37° | 42° | 0.61" | — |
| 2006 | 37° | 22° | 29° | — | — |
| 2005 | 40° | 19° | 29° | — | — |
| 2004 | 39° | 25° | 32° | 0.13" | 0.5" |
| 2003 | 56° | 35° | 45° | — | — |
| 2002 | 46° | 22° | 34° | — | — |
| 2001 | 46° | 26° | 36° | — | — |
| 2000 | 50° | 32° | 41° | — | — |
| 1999 | 45° | 27° | 36° | — | — |
| 1998 | 43° | 32° | 37° | 0.41" | — |
| 1997 | 57° | 30° | 44° | — | — |
| 1996 | 43° | 34° | 38° | — | — |
| 1995 | 36° | 15° | 25° | — | — |
| 1994 | 47° | 27° | 37° | — | — |
| 1993 | 34° | 19° | 26° | 0.46" | 3.1" |
| 1992 | 50° | 33° | 42° | 0.41" | — |
| 1991 | 57° | 35° | 46° | 0.13" | — |
| 1990coldest | 34° | 8° | 21° | — | — |
| 1989 | 33° | 12° | 23° | — | — |
| 1988 | 50° | 30° | 40° | — | — |
| 1987 | 42° | 34° | 38° | 0.28" | — |
| 1986 | 55° | 41° | 48° | — | — |
| 1985 | 41° | 27° | 34° | — | — |
| 1984 | 42° | 30° | 36° | — | — |
| 1983 | 48° | 34° | 41° | 0.08" | — |
| 1982 | 50° | 39° | 45° | 0.58" | — |
| 1981 | 50° | 36° | 43° | 0.03" | — |
| 1980 | 50° | 34° | 42° | 0.1" | — |
| 1979 | 45° | 31° | 38° | — | — |
| 1978 | 37° | 25° | 31° | 0.53" | 2.3" |
| 1977 | 50° | 30° | 40° | — | — |
| 1976 | 44° | 32° | 38° | 0.08" | 0.2" |
| 1975 | 42° | 25° | 33° | — | — |
| 1974 | 52° | 32° | 42° | 0.03" | — |
| 1973 | 40° | 29° | 34° | — | — |
| 1972 | 42° | 31° | 36° | 0.15" | — |
| 1971 | 52° | 35° | 43° | 0.1" | — |
56 years of data from BOISE AIR TERMINAL