Weather on June 15
San Bernardino, CA
55 Years of Data
Avg High
90°F
Avg Low
58°F
Warmest
2025
82°F avg
Coldest
1992
62°F avg
About This Date
June 15th in San Bernardino, CA typically brings hot summer weather, with average highs around 90°F and lows near 58°F — a 32°F daily swing. Over 48 years of records, the warmest June 15th was in 2025 (82°F average), while the coldest was 1992 (62°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 15th dates historically.
Planning for June 15th in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 100° | 63° | 82° | — | — |
| 2017 | 93° | 65° | 79° | — | — |
| 2016 | 73° | 56° | 64° | — | — |
| 2015 | 94° | 61° | 77° | — | — |
| 2014 | 83° | 59° | 71° | — | — |
| 2013 | 83° | 58° | 70° | — | — |
| 2012 | 81° | 58° | 69° | — | — |
| 2011 | 90° | 58° | 74° | — | — |
| 2010 | 93° | 58° | 75° | — | — |
| 2009 | 75° | 53° | 64° | — | — |
| 2008 | 99° | 59° | 79° | — | — |
| 2007 | 96° | 59° | 78° | — | — |
| 2006 | 88° | 46° | 67° | — | — |
| 2005 | 85° | 61° | 73° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 91° | 60° | 76° | — | — |
| 2002 | 99° | 56° | 77° | — | — |
| 2001 | 100° | 60° | 80° | — | — |
| 2000 | 95° | 62° | 79° | — | — |
| 1999 | 101° | — | — | — | — |
| 1998 | 86° | 53° | 70° | — | — |
| 1997 | 86° | — | — | — | — |
| 1996 | 87° | 59° | 73° | — | — |
| 1995 | 80° | 57° | 69° | 0.08" | — |
| 1994 | 76° | 60° | 68° | — | — |
| 1993 | 97° | 62° | 79° | — | — |
| 1992coldest | 74° | 51° | 62° | — | — |
| 1991 | 84° | 56° | 70° | — | — |
| 1990 | 74° | 54° | 64° | — | — |
| 1989 | 92° | 61° | 76° | — | — |
| 1988 | 90° | 58° | 74° | — | — |
| 1987 | 82° | 53° | 68° | — | — |
| 1986 | 89° | 57° | 73° | — | — |
| 1985 | 99° | 59° | 79° | — | — |
| 1984 | 80° | 57° | 69° | — | — |
| 1983 | 94° | 58° | 76° | — | — |
| 1982 | 86° | 56° | 71° | — | — |
| 1981 | 98° | 64° | 81° | — | — |
| 1980 | 97° | 51° | 74° | — | — |
| 1979 | 94° | 63° | 78° | — | — |
| 1978 | 92° | 56° | 74° | — | — |
| 1977 | 99° | 52° | 75° | — | — |
| 1976 | 103° | 58° | 80° | — | — |
| 1975 | 89° | 54° | 71° | — | — |
| 1974 | 102° | 61° | 81° | — | — |
| 1973 | 78° | 54° | 66° | — | — |
| 1972 | 93° | 57° | 75° | — | — |
| 1971 | 104° | 58° | 81° | — | — |
48 years of data from NORTON AFB