Weather on October 20
Modesto, CA
55 Years of Data
Avg High
78°F
Avg Low
51°F
Warmest
1991
73°F avg
Coldest
1996
55°F avg
About This Date
October 20th in Modesto, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 51°F — a 27°F daily swing. Over 55 years of records, the warmest October 20th was in 1991 (73°F average), while the coldest was 1996 (55°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 20th dates historically. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Modesto, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 54° | 66° | — | — |
| 2024 | 85° | 44° | 64° | — | — |
| 2023 | 88° | 56° | 72° | — | — |
| 2022 | 87° | 51° | 69° | — | — |
| 2021 | 71° | 54° | 62° | — | — |
| 2020 | 89° | 54° | 71° | — | — |
| 2019 | 77° | 55° | 66° | — | — |
| 2018 | 85° | 46° | 65° | — | — |
| 2017 | 67° | 51° | 59° | 0.3" | — |
| 2016 | 82° | 50° | 66° | — | — |
| 2015 | 83° | 57° | 70° | — | — |
| 2014 | 77° | 57° | 67° | — | — |
| 2013 | 83° | 48° | 65° | — | — |
| 2012 | 79° | 51° | 65° | — | — |
| 2011 | 82° | 53° | 68° | — | — |
| 2010 | 81° | 53° | 67° | — | — |
| 2009 | 70° | 52° | 61° | — | — |
| 2008 | 77° | 52° | 64° | — | — |
| 2007 | 70° | 55° | 62° | — | — |
| 2006 | 82° | 47° | 64° | — | — |
| 2005 | 75° | 53° | 64° | — | — |
| 2004 | 64° | 51° | 58° | 0.2" | — |
| 2003 | 87° | 54° | 70° | — | — |
| 2002 | 77° | 50° | 64° | — | — |
| 2001 | 83° | 49° | 66° | — | — |
| 2000 | 77° | 48° | 63° | — | — |
| 1999 | 84° | 49° | 66° | — | — |
| 1998 | 80° | 49° | 64° | — | — |
| 1997 | 76° | 49° | 62° | — | — |
| 1996coldest | 66° | 45° | 55° | — | — |
| 1995 | 86° | 55° | 71° | — | — |
| 1994 | 75° | 49° | 62° | — | — |
| 1993 | 82° | 52° | 67° | — | — |
| 1992 | 81° | 56° | 68° | — | — |
| 1991warmest | 88° | 58° | 73° | — | — |
| 1990 | 72° | 49° | 60° | — | — |
| 1989 | 75° | 58° | 66° | — | — |
| 1988 | 87° | 54° | 70° | — | — |
| 1987 | 73° | 49° | 61° | — | — |
| 1986 | 78° | 45° | 61° | — | — |
| 1985 | 66° | 47° | 56° | — | — |
| 1984 | 68° | 53° | 61° | — | — |
| 1983 | 82° | 49° | 65° | — | — |
| 1982 | 79° | 53° | 66° | — | — |
| 1981 | 83° | 45° | 64° | — | — |
| 1980 | 80° | 45° | 62° | — | — |
| 1979 | 70° | 50° | 60° | 0.33" | — |
| 1978 | 75° | 50° | 63° | — | — |
| 1977 | 75° | 45° | 60° | — | — |
| 1976 | 81° | 52° | 66° | — | — |
| 1975 | 83° | 51° | 67° | — | — |
| 1974 | 82° | 56° | 69° | — | — |
| 1973 | 80° | 55° | 68° | — | — |
| 1972 | 69° | 53° | 61° | — | — |
| 1971 | 71° | 51° | 61° | — | — |
55 years of data from MODESTO AP