Weather on August 18
Fremont, CA
55 Years of Data
Avg High
77°F
Avg Low
57°F
Warmest
2020
79°F avg
Coldest
1973
62°F avg
About This Date
August 18th in Fremont, CA typically brings pleasant summer weather, with average highs around 77°F and lows near 57°F. Over 55 years of records, the warmest August 18th was in 2020 (79°F average), while the coldest was 1973 (62°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 18th dates historically. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Fremont, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 54° | 65° | — | — |
| 2024 | 72° | 57° | 64° | — | — |
| 2023 | 80° | 60° | 70° | — | — |
| 2022 | 77° | 55° | 66° | — | — |
| 2021 | 74° | 56° | 65° | — | — |
| 2020warmest | 91° | 66° | 79° | — | — |
| 2019 | 79° | 58° | 68° | — | — |
| 2018 | 83° | 54° | 68° | — | — |
| 2017 | 76° | 59° | 67° | — | — |
| 2016 | 76° | 57° | 66° | — | — |
| 2015 | 83° | 59° | 71° | — | — |
| 2014 | 76° | 60° | 68° | — | — |
| 2013 | 89° | 56° | 72° | — | — |
| 2012 | 76° | 58° | 67° | — | — |
| 2011 | 75° | 57° | 66° | — | — |
| 2010 | 71° | 57° | 64° | — | — |
| 2009 | 77° | 56° | 66° | — | — |
| 2008 | 71° | 59° | 65° | — | — |
| 2007 | 72° | 54° | 63° | — | — |
| 2006 | 78° | 55° | 67° | — | — |
| 2005 | 73° | 55° | 64° | — | — |
| 2004 | 85° | 58° | 71° | — | — |
| 2003 | 79° | 59° | 69° | — | — |
| 2002 | 78° | 57° | 68° | — | — |
| 2001 | 81° | 55° | 68° | — | — |
| 2000 | 77° | 54° | 65° | — | — |
| 1999 | 72° | 59° | 65° | — | — |
| 1998 | 71° | 55° | 63° | — | — |
| 1997 | 78° | 58° | 68° | — | — |
| 1996 | 80° | 53° | 67° | — | — |
| 1995 | 75° | 56° | 65° | — | — |
| 1994 | 82° | 58° | 70° | — | — |
| 1993 | 87° | 53° | 70° | — | — |
| 1992 | 76° | 54° | 65° | — | — |
| 1991 | 68° | 56° | 62° | — | — |
| 1990 | 76° | 60° | 68° | — | — |
| 1989 | 77° | 58° | 67° | — | — |
| 1988 | 85° | 57° | 71° | — | — |
| 1987 | 76° | 57° | 66° | — | — |
| 1986 | 73° | 58° | 65° | — | — |
| 1985 | 70° | 60° | 65° | — | — |
| 1984 | 84° | 63° | 73° | — | — |
| 1983 | 73° | 64° | 69° | — | — |
| 1982 | 75° | 61° | 68° | — | — |
| 1981 | 68° | 58° | 63° | — | — |
| 1980 | 74° | 59° | 66° | — | — |
| 1979 | 77° | 58° | 67° | — | — |
| 1978 | 80° | 59° | 70° | — | — |
| 1977 | 71° | 59° | 65° | — | — |
| 1976 | 70° | 59° | 64° | 0.18" | — |
| 1975 | 72° | 58° | 65° | 0.48" | — |
| 1974 | 71° | 54° | 62° | — | — |
| 1973coldest | 70° | 54° | 62° | — | — |
| 1972 | 78° | 57° | 68° | — | — |
| 1971 | 73° | 57° | 65° | — | — |
55 years of data from FREMONT