Weather on June 15
Hayward, CA
55 Years of Data
About This Date
June 15th in Hayward, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 54°F. Over 51 years of records, the warmest June 15th was in 1976 (75°F average), while the coldest was 1996 (55°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in Hayward, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 50° | 61° | — | — |
| 2024 | 75° | 56° | 65° | — | — |
| 2023 | 73° | 57° | 65° | — | — |
| 2022 | 74° | 55° | 64° | — | — |
| 2021 | 74° | 55° | 64° | — | — |
| 2020 | 71° | 58° | 64° | — | — |
| 2019 | 64° | 55° | 60° | — | — |
| 2018 | 67° | 55° | 61° | — | — |
| 2017 | 75° | 56° | 65° | — | — |
| 2016 | 67° | 54° | 60° | — | — |
| 2015 | 63° | 54° | 58° | — | — |
| 2014 | 66° | 52° | 59° | — | — |
| 2013 | 64° | 53° | 59° | — | — |
| 2012 | 79° | 51° | 65° | — | — |
| 2011 | 80° | 57° | 69° | — | — |
| 2010 | 63° | 53° | 58° | — | — |
| 2009 | 67° | 59° | 63° | — | — |
| 2008 | 64° | 51° | 58° | — | — |
| 2007 | 84° | 57° | 71° | — | — |
| 2006 | 74° | 56° | 65° | — | — |
| 2005 | 69° | 52° | 60° | — | — |
| 2004 | 89° | 59° | 74° | — | — |
| 2003 | 74° | 55° | 64° | — | — |
| 2002 | 67° | 51° | 59° | — | — |
| 2001 | 79° | 56° | 67° | — | — |
| 2000 | 83° | 59° | 71° | — | — |
| 1999 | 62° | 54° | 58° | — | — |
| 1998 | 86° | 54° | 70° | — | — |
| 1997 | 72° | 53° | 62° | — | — |
| 1996coldest | 62° | 48° | 55° | — | — |
| 1995 | 62° | 53° | 58° | — | — |
| 1994 | 68° | 48° | 58° | — | — |
| 1989 | 77° | 54° | 65° | — | — |
| 1988 | 71° | 52° | 61° | — | — |
| 1987 | 69° | 55° | 62° | — | — |
| 1986 | 66° | 63° | 64° | — | — |
| 1985 | 80° | 57° | 69° | — | — |
| 1984 | 67° | 54° | 60° | — | — |
| 1983 | 70° | 53° | 61° | — | — |
| 1982 | 76° | 52° | 64° | — | — |
| 1981 | 78° | 50° | 64° | — | — |
| 1980 | 73° | 50° | 62° | — | — |
| 1979 | 71° | 50° | 61° | — | — |
| 1978 | 72° | 50° | 61° | — | — |
| 1977 | 65° | 51° | 58° | — | — |
| 1976warmest | 93° | 58° | 75° | — | — |
| 1975 | 74° | 52° | 63° | — | — |
| 1974 | 70° | 49° | 59° | — | — |
| 1973 | 69° | 47° | 58° | — | — |
| 1972 | 69° | 50° | 60° | — | — |
| 1971 | 82° | 51° | 67° | — | — |
Hayward, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Hayward, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Hayward, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Hayward, CA
Most pleasant months in Hayward, CA: August.