Weather on August 15
Modesto, CA
55 Years of Data
Avg High
93°F
Avg Low
62°F
Warmest
1992
89°F avg
Coldest
1972
65°F avg
About This Date
August 15th in Modesto, CA typically brings hot summer weather, with average highs around 93°F and lows near 62°F — a 31°F daily swing. Over 55 years of records, the warmest August 15th was in 1992 (89°F average), while the coldest was 1972 (65°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 15th dates historically, with the wettest August 15th recording 0.74" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Modesto, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 63° | 80° | — | — |
| 2024 | 94° | 66° | 80° | — | — |
| 2023 | 102° | 73° | 88° | — | — |
| 2022 | 99° | 61° | 80° | — | — |
| 2021 | 97° | 68° | 82° | — | — |
| 2020 | 105° | 73° | 89° | — | — |
| 2019 | 104° | 65° | 84° | — | — |
| 2018 | 90° | 61° | 75° | — | — |
| 2017 | 87° | 60° | 74° | — | — |
| 2016 | 96° | 66° | 81° | — | — |
| 2015 | 99° | 65° | 82° | — | — |
| 2014 | 95° | 65° | 80° | — | — |
| 2013 | 97° | 65° | 81° | — | — |
| 2012 | 98° | 67° | 82° | — | — |
| 2011 | 94° | 59° | 76° | — | — |
| 2010 | 90° | 57° | 73° | — | — |
| 2009 | 92° | 57° | 74° | — | — |
| 2008 | 105° | 71° | 88° | — | — |
| 2007 | 95° | 66° | 81° | — | — |
| 2006 | 91° | 58° | 74° | — | — |
| 2005 | 80° | 63° | 71° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 94° | 63° | 78° | — | — |
| 2002 | 98° | 62° | 80° | — | — |
| 2001 | 96° | 59° | 78° | — | — |
| 2000 | 96° | 61° | 78° | — | — |
| 1999 | 88° | 54° | 71° | — | — |
| 1998 | 95° | 70° | 82° | — | — |
| 1997 | 93° | 63° | 78° | — | — |
| 1996 | 104° | 70° | 87° | — | — |
| 1995 | 97° | 68° | 82° | — | — |
| 1994 | 100° | 70° | 85° | — | — |
| 1993 | 80° | 57° | 69° | — | — |
| 1992warmest | 102° | 75° | 89° | — | — |
| 1991 | 86° | 63° | 74° | — | — |
| 1990 | 82° | 58° | 70° | — | — |
| 1989 | 98° | 65° | 81° | — | — |
| 1988 | 87° | 53° | 70° | — | — |
| 1987 | 84° | 52° | 68° | — | — |
| 1986 | 87° | 57° | 72° | — | — |
| 1985 | 89° | 54° | 71° | — | — |
| 1984 | 90° | 62° | 76° | — | — |
| 1983 | 101° | 65° | 83° | — | — |
| 1982 | 94° | 57° | 75° | — | — |
| 1981 | 95° | 60° | 78° | — | — |
| 1980 | 87° | 56° | 71° | — | — |
| 1979 | 89° | 56° | 72° | — | — |
| 1978 | 96° | 62° | 79° | — | — |
| 1977 | 95° | 59° | 77° | — | — |
| 1976 | 76° | 57° | 66° | 0.74" | — |
| 1975 | 88° | 56° | 72° | — | — |
| 1974 | 91° | 56° | 73° | — | — |
| 1973 | 102° | 65° | 83° | — | — |
| 1972coldest | 80° | 50° | 65° | — | — |
| 1971 | 95° | 60° | 78° | — | — |
55 years of data from MODESTO AP