Weather on July 3
Sunnyvale, CA
55 Years of Data
Avg High
77°F
Avg Low
58°F
Warmest
2024
85°F avg
Coldest
1975
58°F avg
About This Date
July 3rd in Sunnyvale, CA typically brings pleasant summer weather, with average highs around 77°F and lows near 58°F. Over 55 years of records, the warmest July 3rd was in 2024 (85°F average), while the coldest was 1975 (58°F) — a 27°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for July 3rd in Sunnyvale, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 55° | 63° | — | — |
| 2024warmest | 101° | 70° | 85° | — | — |
| 2023 | 80° | 59° | 70° | — | — |
| 2022 | 71° | 57° | 64° | — | — |
| 2021 | 77° | 59° | 68° | — | — |
| 2020 | 78° | 55° | 67° | — | — |
| 2019 | 77° | 56° | 66° | — | — |
| 2018 | 77° | 56° | 66° | — | — |
| 2017 | 77° | 58° | 67° | — | — |
| 2016 | 76° | 57° | 66° | — | — |
| 2015 | 78° | 62° | 70° | — | — |
| 2014 | 75° | 57° | 66° | — | — |
| 2013 | 86° | 63° | 74° | — | — |
| 2012 | 75° | 57° | 66° | — | — |
| 2011 | 93° | 62° | 78° | — | — |
| 2010 | 84° | 56° | 70° | — | — |
| 2009 | 73° | 58° | 65° | — | — |
| 2008 | 79° | 59° | 69° | — | — |
| 2007 | 72° | 58° | 65° | — | — |
| 2006 | 69° | 57° | 63° | — | — |
| 2005 | 76° | 55° | 65° | — | — |
| 2004 | 77° | 58° | 67° | — | — |
| 2003 | 75° | 55° | 65° | — | — |
| 2002 | 73° | 58° | 65° | — | — |
| 2001 | 94° | 66° | 80° | — | — |
| 2000 | 70° | 53° | 61° | — | — |
| 1999 | 71° | 55° | 63° | — | — |
| 1998 | 78° | 58° | 68° | — | — |
| 1997 | 79° | 61° | 70° | — | — |
| 1996 | 75° | 58° | 66° | — | — |
| 1995 | 77° | 59° | 68° | — | — |
| 1994 | 81° | 55° | 68° | — | — |
| 1993 | 83° | 56° | 69° | — | — |
| 1992 | 77° | 60° | 69° | — | — |
| 1991 | 83° | 63° | 73° | — | — |
| 1990 | 73° | 57° | 65° | — | — |
| 1989 | 74° | 56° | 65° | — | — |
| 1988 | 74° | 58° | 66° | — | — |
| 1987 | 73° | 57° | 65° | — | — |
| 1986 | 80° | 61° | 70° | — | — |
| 1985 | 81° | 60° | 70° | — | — |
| 1984 | 87° | 65° | 76° | — | — |
| 1983 | 80° | 56° | 68° | — | — |
| 1982 | 70° | 56° | 63° | — | — |
| 1981 | 78° | 60° | 69° | — | — |
| 1980 | 68° | 56° | 62° | — | — |
| 1979 | 71° | 54° | 62° | — | — |
| 1978 | 76° | 54° | 65° | — | — |
| 1977 | 75° | 56° | 65° | — | — |
| 1976 | 70° | 56° | 63° | — | — |
| 1975coldest | 68° | 48° | 58° | — | — |
| 1974 | 72° | 52° | 62° | — | — |
| 1973 | 73° | 55° | 64° | — | — |
| 1972 | 72° | 61° | 66° | — | — |
| 1971 | 75° | 54° | 64° | — | — |
55 years of data from MOFFETT FED AIRFIELD