Weather on March 18
Tempe, AZ
55 Years of Data
About This Date
March 18th in Tempe, AZ typically brings warm spring weather, with average highs around 80°F and lows near 49°F — a 31°F daily swing. Over 56 years of records, the warmest March 18th was in 2026 (82°F average), while the coldest was 1977 (51°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 9% of March 18th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 18th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 103° | 61° | 82° | — | — |
| 2025 | 81° | 55° | 68° | — | — |
| 2024 | 80° | 41° | 61° | — | — |
| 2023 | 76° | 44° | 60° | — | — |
| 2022 | 84° | 40° | 62° | — | — |
| 2021 | 82° | 43° | 62° | — | — |
| 2020 | — | 50° | — | — | — |
| 2019 | 80° | 44° | 62° | — | — |
| 2018 | 73° | 52° | 62° | — | — |
| 2017 | 95° | 54° | 74° | — | — |
| 2016 | 88° | — | — | — | — |
| 2015 | 82° | 52° | 67° | 0.01" | — |
| 2014 | 81° | 61° | 71° | — | — |
| 2013 | 84° | 49° | 66° | — | — |
| 2012 | — | 38° | — | 0.3" | — |
| 2011 | 87° | 49° | 68° | — | — |
| 2010 | 86° | 48° | 67° | — | — |
| 2009 | 89° | 48° | 69° | — | — |
| 2008 | 75° | 37° | 56° | — | — |
| 2007 | 92° | 52° | 72° | — | — |
| 2006 | 78° | 42° | 60° | — | — |
| 2005 | 73° | 56° | 64° | — | — |
| 2004 | 91° | 57° | 74° | — | — |
| 2003 | 67° | 43° | 55° | — | — |
| 2002 | 68° | 52° | 60° | — | — |
| 2001 | 79° | 47° | 63° | — | — |
| 2000 | 84° | 55° | 70° | — | — |
| 1999 | 71° | 46° | 59° | — | — |
| 1998 | 74° | 54° | 64° | — | — |
| 1997 | 90° | 62° | 76° | — | — |
| 1996 | 85° | 53° | 69° | — | — |
| 1995 | 88° | 61° | 74° | — | — |
| 1994 | 81° | 50° | 65° | — | — |
| 1993 | 80° | 51° | 66° | — | — |
| 1992 | 74° | 48° | 61° | — | — |
| 1991 | 78° | 44° | 61° | — | — |
| 1990 | 53° | 86° | 70° | — | — |
| 1989 | 90° | 54° | 72° | — | — |
| 1988 | 78° | 46° | 62° | — | — |
| 1987 | 76° | 45° | 60° | — | — |
| 1986 | 67° | 43° | 55° | — | — |
| 1985 | 80° | 51° | 66° | — | — |
| 1984 | 78° | 52° | 65° | — | — |
| 1983 | 67° | 52° | 59° | 0.47" | — |
| 1982 | 69° | 48° | 59° | 0.19" | — |
| 1981 | 80° | 41° | 61° | — | — |
| 1980 | 75° | 37° | 56° | — | — |
| 1979 | 66° | 44° | 55° | 0.02" | — |
| 1978 | 82° | 54° | 68° | — | — |
| 1977coldest | 70° | 32° | 51° | — | — |
| 1976 | 77° | 42° | 60° | — | — |
| 1975 | 69° | 37° | 53° | — | — |
| 1974 | 93° | 48° | 71° | — | — |
| 1973 | 75° | 45° | 60° | — | — |
| 1972 | 95° | 45° | 70° | — | — |
| 1971 | 89° | 45° | 67° | — | — |
Tempe, AZ Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Tempe, AZ Monthly Precipitation
Average rainfall per month, in inches.
Tempe, AZ Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Tempe, AZ
Most pleasant months in Tempe, AZ: January, February, March, November, December.
What to expect on March 18th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
March 18th outlook →