Weather on August 27
Sunnyvale, CA
55 Years of Data
About This Date
August 27th in Sunnyvale, CA typically brings warm summer weather, with average highs around 80°F and lows near 59°F. Over 55 years of records, the warmest August 27th was in 1993 (81°F average), while the coldest was 1975 (62°F) — a 19°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for August 27th in Sunnyvale, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 61° | 68° | — | — |
| 2024 | 95° | 63° | 79° | — | — |
| 2023 | 83° | 59° | 71° | — | — |
| 2022 | 85° | 57° | 71° | — | — |
| 2021 | 92° | 59° | 75° | — | — |
| 2020 | 78° | 59° | 69° | — | — |
| 2019 | 83° | 63° | 73° | — | — |
| 2018 | 77° | 58° | 67° | — | — |
| 2017 | 87° | 63° | 75° | — | — |
| 2016 | 75° | 62° | 69° | — | — |
| 2015 | 89° | 63° | 76° | — | — |
| 2014 | 80° | 60° | 70° | — | — |
| 2013 | 77° | 58° | 67° | — | — |
| 2012 | 79° | 56° | 67° | — | — |
| 2011 | 77° | 60° | 69° | — | — |
| 2010 | 74° | 56° | 65° | — | — |
| 2009 | 89° | 58° | 73° | — | — |
| 2008 | 90° | 60° | 75° | — | — |
| 2007 | 78° | 58° | 68° | — | — |
| 2006 | 74° | 59° | 66° | — | — |
| 2005 | 82° | 57° | 70° | — | — |
| 2004 | 94° | 59° | 76° | — | — |
| 2003 | 72° | 59° | 65° | — | — |
| 2002 | 91° | 58° | 74° | — | — |
| 2001 | 85° | 58° | 71° | — | — |
| 2000 | 76° | 58° | 67° | — | — |
| 1999 | 76° | 62° | 69° | — | — |
| 1998 | 81° | 57° | 69° | — | — |
| 1997 | 82° | 64° | 73° | — | — |
| 1996 | 72° | 57° | 64° | — | — |
| 1995 | 78° | 53° | 66° | — | — |
| 1994 | 80° | 58° | 69° | — | — |
| 1993warmest | 98° | 65° | 81° | — | — |
| 1992 | 77° | 59° | 68° | — | — |
| 1991 | 72° | 60° | 66° | — | — |
| 1990 | 82° | 63° | 72° | — | — |
| 1989 | 75° | 56° | 65° | — | — |
| 1988 | 77° | 61° | 69° | — | — |
| 1987 | 75° | 62° | 69° | — | — |
| 1986 | 72° | 60° | 66° | — | — |
| 1985 | 71° | 58° | 64° | — | — |
| 1984 | 76° | 61° | 68° | — | — |
| 1983 | 78° | 59° | 69° | — | — |
| 1982 | 72° | 58° | 65° | — | — |
| 1981 | 90° | 57° | 73° | — | — |
| 1980 | 72° | 57° | 64° | — | — |
| 1979 | 84° | 63° | 73° | — | — |
| 1978 | 78° | 56° | 67° | — | — |
| 1977 | 83° | 56° | 69° | — | — |
| 1976 | 88° | 57° | 72° | — | — |
| 1975coldest | 68° | 56° | 62° | — | — |
| 1974 | 70° | 62° | 66° | — | — |
| 1973 | 69° | 57° | 63° | — | — |
| 1972 | 73° | 61° | 67° | — | — |
| 1971 | 74° | 62° | 68° | — | — |
Sunnyvale, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Sunnyvale, CA Monthly Precipitation
Average rainfall per month, in inches.
Sunnyvale, 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 Sunnyvale, CA
Most pleasant months in Sunnyvale, CA: July, August.