Weather on October 27
Sunnyvale, CA
55 Years of Data
Avg High
71°F
Avg Low
52°F
Warmest
1993
72°F avg
Coldest
1975
52°F avg
About This Date
October 27th in Sunnyvale, CA typically brings pleasant fall weather, with average highs around 71°F and lows near 52°F. Over 55 years of records, the warmest October 27th was in 1993 (72°F average), while the coldest was 1975 (52°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 18% of October 27th dates historically, with the wettest October 27th recording 2.31" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for October 27th in Sunnyvale, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 52° | 60° | — | — |
| 2024 | 76° | 58° | 67° | — | — |
| 2023 | 70° | 44° | 57° | — | — |
| 2022 | 74° | 46° | 60° | — | — |
| 2021 | 73° | 52° | 62° | — | — |
| 2020 | 79° | 48° | 63° | — | — |
| 2019 | 71° | 53° | 62° | — | — |
| 2018 | 72° | 54° | 63° | — | — |
| 2017 | 83° | 56° | 69° | — | — |
| 2016 | 69° | 59° | 64° | 1.14" | — |
| 2015 | 69° | 57° | 63° | 0.08" | — |
| 2014 | 70° | 48° | 59° | — | — |
| 2013 | 64° | 50° | 57° | 0.03" | — |
| 2012 | 80° | 52° | 66° | — | — |
| 2011 | 76° | 48° | 62° | — | — |
| 2010 | 65° | 43° | 54° | — | — |
| 2009 | 66° | 52° | 59° | — | — |
| 2008 | 66° | 55° | 61° | — | — |
| 2007 | 66° | 51° | 59° | — | — |
| 2006 | 78° | 47° | 62° | — | — |
| 2005 | 68° | 52° | 60° | — | — |
| 2004 | 60° | 45° | 52° | — | — |
| 2003 | 88° | 55° | 71° | — | — |
| 2002 | 71° | 45° | 58° | 0.03" | — |
| 2001 | 67° | 53° | 60° | — | — |
| 2000 | 65° | 53° | 59° | — | — |
| 1999 | 74° | 57° | 65° | 0.18" | — |
| 1998 | 65° | 51° | 58° | — | — |
| 1997 | 73° | 49° | 61° | — | — |
| 1996 | 71° | 50° | 61° | — | — |
| 1995 | 79° | 53° | 66° | — | — |
| 1994 | 69° | 58° | 63° | 0.03" | — |
| 1993warmest | 87° | 57° | 72° | — | — |
| 1992 | 72° | 61° | 66° | — | — |
| 1991 | 65° | 49° | 57° | — | — |
| 1990 | 73° | 52° | 62° | — | — |
| 1989 | 68° | 52° | 60° | — | — |
| 1988 | 64° | 56° | 60° | — | — |
| 1987 | 74° | 64° | 69° | 1.73" | — |
| 1986 | 71° | 59° | 65° | — | — |
| 1985 | 72° | 51° | 61° | — | — |
| 1984 | 62° | 44° | 53° | — | — |
| 1983 | 82° | 58° | 70° | — | — |
| 1982 | 65° | 48° | 56° | — | — |
| 1981 | 68° | 59° | 64° | 2.31" | — |
| 1980 | 73° | 48° | 61° | — | — |
| 1979 | 72° | 48° | 60° | — | — |
| 1978 | 64° | 55° | 60° | — | — |
| 1977 | 66° | 53° | 60° | 0.51" | — |
| 1976 | 77° | 49° | 63° | — | — |
| 1975coldest | 60° | 44° | 52° | — | — |
| 1974 | 69° | 57° | 63° | 0.36" | — |
| 1973 | 79° | 50° | 64° | — | — |
| 1972 | 67° | 52° | 59° | — | — |
| 1971 | 61° | 49° | 55° | — | — |
55 years of data from MOFFETT FED AIRFIELD