Weather on June 18
Modesto, CA
55 Years of Data
Avg High
90°F
Avg Low
59°F
Warmest
2017
89°F avg
Coldest
1995
63°F avg
About This Date
June 18th in Modesto, CA typically brings hot summer weather, with average highs around 90°F and lows near 59°F — a 31°F daily swing. Over 55 years of records, the warmest June 18th was in 2017 (89°F average), while the coldest was 1995 (63°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 18th dates historically. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Modesto, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 61° | 80° | — | — |
| 2024 | 90° | 63° | 76° | — | — |
| 2023 | 85° | 58° | 71° | — | — |
| 2022 | 77° | 53° | 65° | — | — |
| 2021 | 107° | 65° | 86° | — | — |
| 2020 | 94° | 58° | 76° | — | — |
| 2019 | 100° | 67° | 83° | — | — |
| 2018 | 89° | 58° | 73° | — | — |
| 2017warmest | 106° | 72° | 89° | — | — |
| 2016 | 85° | 61° | 73° | — | — |
| 2015 | 98° | 64° | 81° | — | — |
| 2014 | 92° | 57° | 74° | — | — |
| 2013 | 79° | 58° | 68° | — | — |
| 2012 | 95° | 63° | 79° | — | — |
| 2011 | 92° | 57° | 74° | — | — |
| 2010 | 83° | 56° | 69° | — | — |
| 2009 | 98° | 62° | 80° | — | — |
| 2008 | 98° | 64° | 81° | — | — |
| 2007 | 100° | 63° | 81° | — | — |
| 2006 | 97° | 62° | 79° | — | — |
| 2005 | 77° | 52° | 64° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 88° | 59° | 73° | — | — |
| 2002 | 89° | 66° | 78° | — | — |
| 2001 | 98° | 63° | 80° | — | — |
| 2000 | 86° | 60° | 73° | — | — |
| 1999 | 93° | 60° | 77° | — | — |
| 1998 | 97° | 62° | 79° | — | — |
| 1997 | 95° | 65° | 80° | — | — |
| 1996 | 87° | 60° | 74° | — | — |
| 1995coldest | 70° | 56° | 63° | — | — |
| 1994 | 87° | 55° | 71° | — | — |
| 1993 | 101° | 68° | 84° | — | — |
| 1992 | 87° | 60° | 74° | — | — |
| 1991 | 84° | 56° | 70° | — | — |
| 1990 | 82° | 53° | 68° | — | — |
| 1989 | 94° | 61° | 77° | — | — |
| 1988 | 100° | 61° | 80° | — | — |
| 1987 | 87° | 51° | 69° | — | — |
| 1986 | 82° | 57° | 70° | — | — |
| 1985 | 98° | 60° | 79° | — | — |
| 1984 | 98° | 61° | 79° | — | — |
| 1983 | 84° | 54° | 69° | — | — |
| 1982 | 85° | 57° | 71° | — | — |
| 1981 | 99° | 67° | 83° | — | — |
| 1980 | 89° | 58° | 73° | — | — |
| 1979 | 83° | 53° | 68° | — | — |
| 1978 | 83° | 55° | 69° | — | — |
| 1977 | 80° | 54° | 67° | — | — |
| 1976 | 93° | 58° | 75° | — | — |
| 1975 | 82° | 51° | 67° | — | — |
| 1974 | 79° | 56° | 67° | 0.03" | — |
| 1973 | 88° | 55° | 71° | — | — |
| 1972 | 96° | 60° | 78° | — | — |
| 1971 | 91° | 60° | 76° | — | — |
55 years of data from MODESTO AP