Weather on August 30
Sunnyvale, CA
55 Years of Data
Avg High
78°F
Avg Low
59°F
Warmest
2007
79°F avg
Coldest
1975
62°F avg
About This Date
August 30th in Sunnyvale, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 59°F. Over 55 years of records, the warmest August 30th was in 2007 (79°F average), while the coldest was 1975 (62°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 30th dates historically. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for August 30th in Sunnyvale, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 59° | 75° | — | — |
| 2024 | 79° | 62° | 70° | — | — |
| 2023 | 95° | 61° | 78° | — | — |
| 2022 | 80° | 60° | 70° | — | — |
| 2021 | 84° | 61° | 72° | — | — |
| 2020 | 78° | 55° | 67° | — | — |
| 2019 | 77° | 60° | 69° | — | — |
| 2018 | 74° | 59° | 66° | — | — |
| 2017 | 74° | 58° | 66° | — | — |
| 2016 | 76° | 58° | 67° | — | — |
| 2015 | 79° | 61° | 70° | — | — |
| 2014 | 81° | 61° | 71° | — | — |
| 2013 | 84° | 64° | 74° | — | — |
| 2012 | 74° | 58° | 66° | — | — |
| 2011 | 75° | 56° | 65° | — | — |
| 2010 | 72° | 53° | 62° | — | — |
| 2009 | 70° | 60° | 65° | — | — |
| 2008 | 76° | 60° | 68° | — | — |
| 2007warmest | 90° | 68° | 79° | — | — |
| 2006 | 81° | 54° | 67° | — | — |
| 2005 | 90° | 57° | 73° | — | — |
| 2004 | 76° | 62° | 69° | — | — |
| 2003 | 73° | 59° | 66° | — | — |
| 2002 | 75° | 61° | 68° | — | — |
| 2001 | 75° | 58° | 66° | — | — |
| 2000 | 71° | 60° | 66° | — | — |
| 1999 | 75° | 58° | 66° | — | — |
| 1998 | 75° | 58° | 66° | — | — |
| 1997 | 78° | 56° | 67° | — | — |
| 1996 | 86° | 61° | 73° | — | — |
| 1995 | 80° | 55° | 68° | — | — |
| 1994 | 85° | 56° | 70° | — | — |
| 1993 | 79° | 59° | 69° | — | — |
| 1992 | 78° | 57° | 68° | — | — |
| 1991 | 75° | 63° | 69° | — | — |
| 1990 | 78° | 62° | 70° | — | — |
| 1989 | 74° | 55° | 64° | — | — |
| 1988 | 79° | 63° | 71° | — | — |
| 1987 | 76° | 63° | 69° | — | — |
| 1986 | 75° | 57° | 66° | — | — |
| 1985 | 83° | 62° | 72° | — | — |
| 1984 | 76° | 61° | 68° | — | — |
| 1983 | 81° | 64° | 72° | — | — |
| 1982 | 80° | 57° | 69° | — | — |
| 1981 | 76° | 57° | 66° | — | — |
| 1980 | 70° | 59° | 64° | — | — |
| 1979 | 77° | 62° | 70° | — | — |
| 1978 | 79° | 57° | 68° | — | — |
| 1977 | 82° | 64° | 73° | — | — |
| 1976 | 86° | 60° | 73° | — | — |
| 1975coldest | 72° | 52° | 62° | — | — |
| 1974 | 69° | 61° | 65° | — | — |
| 1973 | 72° | 60° | 66° | — | — |
| 1972 | 78° | 60° | 69° | — | — |
| 1971 | 77° | 53° | 65° | 0.03" | — |
55 years of data from MOFFETT FED AIRFIELD