Weather on March 18
Tacoma, WA
55 Years of Data
Avg High
56°F
Avg Low
40°F
Warmest
2007
57°F avg
Coldest
2002
39°F avg
About This Date
March 18th in Tacoma, WA typically brings cool spring weather, with average highs around 56°F and lows near 40°F. Over 56 years of records, the warmest March 18th was in 2007 (57°F average), while the coldest was 2002 (39°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 52% of March 18th dates historically, with the wettest March 18th recording 1.78" of rain. 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 March 18th in Tacoma, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 57° | 52° | 54° | — | — |
| 2025 | 52° | 34° | 43° | 0.05" | — |
| 2024 | 65° | 43° | 54° | — | — |
| 2023 | 63° | 38° | 50° | — | — |
| 2022 | 58° | 46° | 52° | 0.03" | — |
| 2021 | 58° | 38° | 48° | 0.33" | — |
| 2020 | 54° | 34° | 44° | — | — |
| 2019 | 73° | 38° | 55° | — | — |
| 2018 | 54° | 41° | 47° | — | — |
| 2017 | 59° | 43° | 51° | 1.78" | — |
| 2016 | 64° | 37° | 51° | — | — |
| 2015 | 60° | 48° | 54° | — | — |
| 2014 | 51° | 38° | 44° | — | — |
| 2013 | 53° | 40° | 46° | 0.03" | — |
| 2012 | 50° | 38° | 44° | 0.13" | — |
| 2011 | 51° | 38° | 44° | 0.28" | — |
| 2010 | 55° | 36° | 45° | — | — |
| 2009 | 56° | 39° | 47° | 0.05" | — |
| 2008 | 53° | 43° | 48° | 0.1" | — |
| 2007warmest | 62° | 51° | 57° | 0.46" | — |
| 2006 | 53° | 40° | 46° | 0.15" | — |
| 2005 | 55° | 43° | 49° | — | — |
| 2004 | 57° | 44° | 51° | 0.46" | — |
| 2003 | 57° | 38° | 47° | 0.23" | — |
| 2002coldest | 42° | 35° | 39° | 0.64" | — |
| 2001 | 58° | 47° | 52° | 1.02" | — |
| 2000 | 49° | 39° | 44° | 1.19" | — |
| 1999 | 53° | 41° | 47° | — | — |
| 1998 | 57° | 38° | 47° | — | — |
| 1997 | 60° | 44° | 52° | 1.75" | — |
| 1996 | 64° | 35° | 50° | — | — |
| 1995 | 60° | 47° | 53° | 1.12" | — |
| 1994 | 50° | 39° | 45° | 1.22" | — |
| 1993 | 55° | 43° | 49° | 0.03" | — |
| 1992 | 55° | 36° | 45° | — | — |
| 1991 | 56° | 33° | 44° | — | — |
| 1990 | 57° | 46° | 52° | 0.36" | — |
| 1989 | 48° | 37° | 43° | 1.02" | — |
| 1988 | 64° | 34° | 49° | — | — |
| 1987 | 51° | 40° | 45° | 0.1" | — |
| 1986 | 55° | 43° | 49° | 0.33" | — |
| 1985 | 49° | 45° | 47° | — | — |
| 1984 | 55° | 43° | 49° | 0.74" | — |
| 1983 | 59° | 35° | 47° | — | — |
| 1982 | 55° | 40° | 47° | — | — |
| 1981 | 58° | — | — | — | — |
| 1980 | 50° | 36° | 43° | 0.43" | — |
| 1979 | 59° | 38° | 48° | — | — |
| 1978 | 65° | 40° | 52° | — | — |
| 1977 | 52° | 42° | 47° | — | — |
| 1976 | 54° | 40° | 47° | 0.56" | — |
| 1975 | 52° | 41° | 46° | 1.24" | — |
| 1974 | 55° | 34° | 44° | 0.03" | — |
| 1973 | 54° | 37° | 45° | — | — |
| 1972 | 63° | 42° | 52° | — | — |
| 1971 | 52° | 31° | 41° | — | — |
56 years of data from TACOMA CITY HALL