Weather on October 1
San Ramon, CA
55 Years of Data
Avg High
77°F
Avg Low
55°F
Warmest
2020
85°F avg
Coldest
1990
50°F avg
About This Date
October 1st in San Ramon, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 55°F. Over 53 years of records, the warmest October 1st was in 2020 (85°F average), while the coldest was 1990 (50°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 1st dates historically, with the wettest October 1st recording 1.73" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for October 1st in San Ramon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 54° | 60° | — | — |
| 2024 | 88° | 63° | 75° | — | — |
| 2023 | 62° | 49° | 55° | — | — |
| 2022 | 82° | 64° | 73° | — | — |
| 2021 | 80° | 60° | 70° | — | — |
| 2020warmest | 94° | 77° | 85° | — | — |
| 2019 | 59° | 41° | 50° | — | — |
| 2018 | 71° | 54° | 62° | — | — |
| 2017 | 75° | 52° | 63° | — | — |
| 2016 | 64° | 46° | 55° | — | — |
| 2015 | 66° | 57° | 62° | — | — |
| 2014 | 74° | 60° | 67° | — | — |
| 2013 | 69° | 45° | 57° | — | — |
| 2012 | 92° | 74° | 83° | — | — |
| 2011 | 68° | 52° | 60° | — | — |
| 2010 | 87° | 64° | 76° | — | — |
| 2009 | 68° | 49° | 58° | — | — |
| 2008 | 85° | 59° | 72° | — | — |
| 2007 | 74° | 44° | 59° | — | — |
| 2006 | 61° | 52° | 56° | — | — |
| 2005 | 77° | 55° | 66° | — | — |
| 2004 | 70° | 50° | 60° | — | — |
| 2003 | 74° | 53° | 63° | — | — |
| 2002 | 73° | 51° | 62° | — | — |
| 2001 | 96° | 67° | 81° | — | — |
| 2000 | 91° | 60° | 76° | — | — |
| 1999 | 88° | 59° | 73° | — | — |
| 1998 | 64° | 55° | 60° | — | — |
| 1997 | 79° | 57° | 68° | — | — |
| 1996 | 71° | 54° | 62° | — | — |
| 1995 | 86° | 56° | 71° | — | — |
| 1994 | 86° | 56° | 71° | — | — |
| 1993 | 86° | 57° | 72° | — | — |
| 1992 | 72° | 56° | 64° | — | — |
| 1991 | 87° | 55° | 71° | — | — |
| 1990coldest | 90° | 10° | 50° | — | — |
| 1989 | 71° | 54° | 62° | — | — |
| 1988 | 94° | 61° | 77° | — | — |
| 1986 | 74° | 49° | 61° | — | — |
| 1985 | 67° | 48° | 57° | — | — |
| 1984 | 65° | 49° | 57° | 0.25" | — |
| 1983 | 59° | 50° | 55° | 1.73" | — |
| 1982 | 71° | 51° | 61° | — | — |
| 1981 | 80° | 60° | 70° | — | — |
| 1979 | 85° | 66° | 75° | — | — |
| 1978 | 95° | 70° | 82° | — | — |
| 1977 | 76° | 53° | 64° | — | — |
| 1976 | 77° | 54° | 65° | — | — |
| 1975 | 89° | 64° | 77° | — | — |
| 1974 | 90° | 58° | 74° | — | — |
| 1973 | 80° | 51° | 66° | — | — |
| 1972 | 78° | 48° | 63° | — | — |
| 1971 | 64° | 40° | 52° | — | — |
53 years of data from LIVERMORE CALIFORNIA