Weather on July 18
Meridian, ID
55 Years of Data
Avg High
91°F
Avg Low
59°F
Warmest
2009
87°F avg
Coldest
1993
54°F avg
About This Date
July 18th in Meridian, ID typically brings hot summer weather, with average highs around 91°F and lows near 59°F — a 32°F daily swing. Over 55 years of records, the warmest July 18th was in 2009 (87°F average), while the coldest was 1993 (54°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 4% of July 18th dates historically. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for July 18th in Meridian, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 65° | 81° | — | — |
| 2024 | 102° | 72° | 87° | — | — |
| 2023 | 94° | 60° | 77° | — | — |
| 2022 | 90° | 67° | 78° | — | — |
| 2021 | 101° | 67° | 84° | — | — |
| 2020 | 90° | 59° | 74° | — | — |
| 2019 | 87° | 62° | 75° | — | — |
| 2018 | 99° | 68° | 83° | — | — |
| 2017 | 96° | 60° | 78° | — | — |
| 2016 | 96° | 62° | 79° | — | — |
| 2015 | 86° | 56° | 71° | — | — |
| 2014 | 94° | 64° | 79° | — | — |
| 2013 | 100° | 63° | 81° | — | — |
| 2012 | 97° | 64° | 80° | — | — |
| 2011 | 97° | 60° | 78° | — | — |
| 2010 | 96° | 64° | 80° | — | — |
| 2009warmest | 106° | 68° | 87° | — | — |
| 2008 | 90° | 61° | 75° | — | — |
| 2007 | 97° | 68° | 82° | — | — |
| 2006 | 95° | 61° | 78° | — | — |
| 2005 | 98° | 61° | 79° | — | — |
| 2004 | 85° | 70° | 77° | — | — |
| 2003 | 103° | 68° | 85° | — | — |
| 2002 | 88° | 70° | 79° | — | — |
| 2001 | 81° | 53° | 67° | — | — |
| 2000 | 89° | 66° | 78° | 0.08" | — |
| 1999 | 84° | 51° | 68° | — | — |
| 1998 | 99° | 68° | 83° | — | — |
| 1997 | 72° | 58° | 65° | — | — |
| 1996 | 77° | 72° | 74° | — | — |
| 1995 | 90° | 57° | 73° | — | — |
| 1994 | 97° | 41° | 69° | — | — |
| 1993coldest | 77° | 30° | 54° | — | — |
| 1992 | 93° | 59° | 76° | — | — |
| 1991 | 88° | 53° | 70° | — | — |
| 1990 | 94° | 66° | 80° | — | — |
| 1989 | 99° | 61° | 80° | — | — |
| 1988 | 89° | 52° | 70° | — | — |
| 1987 | 68° | 48° | 58° | — | — |
| 1986 | 87° | 45° | 66° | — | — |
| 1985 | 93° | 52° | 72° | — | — |
| 1984 | 93° | 60° | 77° | — | — |
| 1983 | 90° | 46° | 68° | — | — |
| 1982 | 90° | 47° | 68° | — | — |
| 1981 | 91° | 55° | 73° | — | — |
| 1980 | 85° | 43° | 64° | — | — |
| 1979 | 98° | 57° | 78° | — | — |
| 1978 | 83° | 48° | 65° | — | — |
| 1977 | 90° | 55° | 72° | — | — |
| 1976 | 77° | 60° | 69° | 0.15" | — |
| 1975 | 85° | 55° | 70° | — | — |
| 1974 | 95° | 55° | 75° | — | — |
| 1973 | 91° | 57° | 74° | — | — |
| 1972 | 91° | 46° | 69° | — | — |
| 1971 | 95° | 63° | 79° | — | — |
55 years of data from KUNA