Weather on August 23
Modesto, CA
55 Years of Data
Avg High
92°F
Avg Low
61°F
Warmest
2025
86°F avg
Coldest
1973
64°F avg
About This Date
August 23rd in Modesto, CA typically brings hot summer weather, with average highs around 92°F and lows near 61°F — a 31°F daily swing. Over 55 years of records, the warmest August 23rd was in 2025 (86°F average), while the coldest was 1973 (64°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Modesto, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 101° | 71° | 86° | — | — |
| 2024 | 78° | 60° | 69° | — | — |
| 2023 | 95° | 67° | 81° | — | — |
| 2022 | 98° | 68° | 83° | — | — |
| 2021 | 87° | 58° | 72° | — | — |
| 2020 | 96° | 67° | 81° | — | — |
| 2019 | 100° | 67° | 83° | — | — |
| 2018 | 85° | 58° | 71° | — | — |
| 2017 | 97° | 66° | 81° | — | — |
| 2016 | 94° | 62° | 78° | — | — |
| 2015 | 92° | 62° | 77° | — | — |
| 2014 | 89° | 59° | 74° | — | — |
| 2013 | 90° | 58° | 74° | — | — |
| 2012 | 93° | 61° | 77° | — | — |
| 2011 | 98° | 61° | 79° | — | — |
| 2010 | 94° | 58° | 76° | — | — |
| 2009 | 93° | 65° | 79° | — | — |
| 2008 | 95° | 65° | 80° | — | — |
| 2007 | 100° | 69° | 85° | — | — |
| 2006 | 95° | 66° | 81° | — | — |
| 2005 | 100° | 61° | 80° | — | — |
| 2004 | 85° | 61° | 73° | — | — |
| 2003 | 90° | 61° | 75° | — | — |
| 2002 | 82° | 53° | 68° | — | — |
| 2001 | 87° | 59° | 73° | — | — |
| 2000 | 87° | 58° | 72° | — | — |
| 1999 | 99° | 67° | 83° | — | — |
| 1998 | 91° | 62° | 77° | — | — |
| 1997 | 86° | 63° | 74° | — | — |
| 1996 | 99° | 67° | 83° | — | — |
| 1995 | 97° | 69° | 83° | — | — |
| 1994 | 89° | 60° | 75° | — | — |
| 1993 | 97° | 68° | 82° | — | — |
| 1992 | 90° | 59° | 74° | — | — |
| 1991 | 92° | 58° | 75° | — | — |
| 1990 | 98° | 66° | 82° | — | — |
| 1989 | 80° | 63° | 71° | — | — |
| 1988 | 94° | 61° | 77° | — | — |
| 1987 | 84° | 54° | 69° | — | — |
| 1986 | 90° | 53° | 71° | — | — |
| 1985 | 96° | 57° | 77° | — | — |
| 1984 | 89° | 54° | 71° | — | — |
| 1983 | 87° | 58° | 72° | — | — |
| 1982 | 98° | 66° | 82° | — | — |
| 1981 | 82° | 56° | 69° | — | — |
| 1980 | 91° | 55° | 73° | — | — |
| 1979 | 88° | 60° | 74° | — | — |
| 1978 | 84° | 53° | 69° | — | — |
| 1977 | 96° | 62° | 79° | — | — |
| 1976 | 88° | 57° | 72° | — | — |
| 1975 | 96° | 60° | 78° | — | — |
| 1974 | 99° | 65° | 82° | — | — |
| 1973coldest | 80° | 49° | 64° | — | — |
| 1972 | 96° | 60° | 78° | — | — |
| 1971 | 93° | 59° | 76° | — | — |
55 years of data from MODESTO AP