Weather on October 18
San Jose, CA
55 Years of Data
About This Date
October 18th in San Jose, CA typically brings pleasant fall weather, with average highs around 75°F and lows near 52°F. Over 55 years of records, the warmest October 18th was in 2020 (73°F average), while the coldest was 1971 (54°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 18th dates historically. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in San Jose, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 53° | 68° | — | — |
| 2024 | 79° | 57° | 68° | — | — |
| 2023 | 90° | 57° | 73° | — | — |
| 2022 | 82° | 56° | 69° | — | — |
| 2021 | 65° | 48° | 56° | — | — |
| 2020warmest | 88° | 59° | 73° | — | — |
| 2019 | 71° | 47° | 59° | — | — |
| 2018 | 74° | 50° | 62° | — | — |
| 2017 | 73° | 51° | 62° | — | — |
| 2016 | 71° | 52° | 61° | — | — |
| 2015 | 71° | 57° | 64° | — | — |
| 2014 | 78° | 54° | 66° | — | — |
| 2013 | 78° | 49° | 63° | — | — |
| 2012 | 89° | 54° | 71° | — | — |
| 2011 | 78° | 59° | 69° | — | — |
| 2010 | 69° | 55° | 62° | — | — |
| 2009 | 66° | 53° | 60° | — | — |
| 2008 | 73° | 53° | 63° | — | — |
| 2007 | 76° | 49° | 62° | — | — |
| 2006 | 76° | 48° | 62° | — | — |
| 2005 | 72° | 61° | 66° | — | — |
| 2004 | 67° | 52° | 59° | — | — |
| 2003 | 73° | 55° | 64° | — | — |
| 2002 | 65° | 55° | 60° | — | — |
| 2001 | 76° | 53° | 64° | — | — |
| 2000 | 75° | 54° | 64° | — | — |
| 1999 | 77° | 51° | 64° | — | — |
| 1998 | 75° | 45° | 60° | — | — |
| 1997 | 78° | 54° | 66° | — | — |
| 1996 | 73° | 46° | 60° | — | — |
| 1995 | 80° | 53° | 67° | — | — |
| 1994 | 75° | 48° | 62° | — | — |
| 1993 | 71° | 47° | 59° | — | — |
| 1992 | 77° | 54° | 65° | — | — |
| 1991 | 78° | 55° | 67° | — | — |
| 1990 | 72° | 58° | 65° | 0.05" | — |
| 1989 | 83° | 54° | 68° | — | — |
| 1988 | 85° | 58° | 71° | — | — |
| 1987 | 81° | 51° | 66° | — | — |
| 1986 | 70° | 56° | 63° | — | — |
| 1985 | 71° | 52° | 61° | — | — |
| 1984 | 66° | 46° | 56° | — | — |
| 1983 | 73° | 50° | 62° | — | — |
| 1982 | 76° | 46° | 61° | — | — |
| 1981 | 80° | 49° | 64° | — | — |
| 1980 | 72° | 46° | 59° | — | — |
| 1979 | 71° | 54° | 62° | — | — |
| 1978 | 73° | 56° | 64° | — | — |
| 1977 | 68° | 54° | 61° | — | — |
| 1976 | 78° | 50° | 64° | — | — |
| 1975 | 69° | 57° | 63° | — | — |
| 1974 | 86° | 52° | 69° | — | — |
| 1973 | 78° | 52° | 65° | — | — |
| 1972 | 70° | 50° | 60° | 0.05" | — |
| 1971coldest | 68° | 40° | 54° | — | — |
San Jose, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Jose, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Jose, 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 San Jose, CA
San Jose, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.