Weather on June 15
Sunnyvale, CA
55 Years of Data
Avg High
76°F
Avg Low
56°F
Warmest
1976
79°F avg
Coldest
1973
60°F avg
About This Date
June 15th in Sunnyvale, CA typically brings pleasant summer weather, with average highs around 76°F and lows near 56°F. Over 55 years of records, the warmest June 15th was in 1976 (79°F average), while the coldest was 1973 (60°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 4% of June 15th dates historically. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in Sunnyvale, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 52° | 62° | — | — |
| 2024 | 82° | 56° | 69° | — | — |
| 2023 | 77° | 56° | 66° | — | — |
| 2022 | 82° | 58° | 70° | — | — |
| 2021 | 78° | 55° | 67° | — | — |
| 2020 | 78° | 59° | 69° | — | — |
| 2019 | 69° | 58° | 63° | — | — |
| 2018 | 75° | 54° | 64° | — | — |
| 2017 | 79° | 55° | 67° | — | — |
| 2016 | 69° | 53° | 61° | — | — |
| 2015 | 68° | 55° | 62° | — | — |
| 2014 | 73° | 56° | 64° | — | — |
| 2013 | 69° | 54° | 61° | — | — |
| 2012 | 79° | 52° | 65° | — | — |
| 2011 | 79° | 59° | 69° | — | — |
| 2010 | 71° | 54° | 62° | — | — |
| 2009 | 68° | 55° | 62° | — | — |
| 2008 | 73° | 52° | 62° | — | — |
| 2007 | 86° | 59° | 73° | — | — |
| 2006 | 79° | 55° | 67° | — | — |
| 2005 | 74° | 52° | 63° | — | — |
| 2004 | 95° | 60° | 78° | — | — |
| 2003 | 76° | 54° | 65° | — | — |
| 2002 | 69° | 50° | 60° | — | — |
| 2001 | 79° | 56° | 67° | — | — |
| 2000 | 84° | 62° | 73° | — | — |
| 1999 | 67° | 54° | 60° | — | — |
| 1998 | 94° | 63° | 78° | — | — |
| 1997 | 76° | 60° | 68° | — | — |
| 1996 | 77° | 52° | 64° | — | — |
| 1995 | 66° | 56° | 61° | 0.05" | — |
| 1994 | 75° | 52° | 63° | — | — |
| 1993 | 78° | 57° | 68° | — | — |
| 1992 | 71° | 57° | 64° | — | — |
| 1991 | 74° | 55° | 64° | — | — |
| 1990 | 71° | 59° | 65° | 0.03" | — |
| 1989 | 78° | 63° | 70° | — | — |
| 1988 | 72° | 59° | 65° | — | — |
| 1987 | 73° | 57° | 65° | — | — |
| 1986 | 75° | 58° | 66° | — | — |
| 1985 | 82° | 61° | 71° | — | — |
| 1984 | 75° | 55° | 65° | — | — |
| 1983 | 78° | 59° | 69° | — | — |
| 1982 | 75° | 58° | 66° | — | — |
| 1981 | 96° | 58° | 77° | — | — |
| 1980 | 79° | 55° | 67° | — | — |
| 1979 | 72° | 51° | 61° | — | — |
| 1978 | 78° | 52° | 65° | — | — |
| 1977 | 69° | 56° | 62° | — | — |
| 1976warmest | 97° | 62° | 79° | — | — |
| 1975 | 70° | 56° | 63° | — | — |
| 1974 | 72° | 54° | 63° | — | — |
| 1973coldest | 70° | 50° | 60° | — | — |
| 1972 | 71° | 56° | 63° | — | — |
| 1971 | 84° | 56° | 70° | — | — |
55 years of data from MOFFETT FED AIRFIELD