Weather on March 18
Bellevue, WA
55 Years of Data
Avg High
55°F
Avg Low
40°F
Warmest
2019
58°F avg
Coldest
2002
37°F avg
About This Date
March 18th in Bellevue, WA typically brings cool spring weather, with average highs around 55°F and lows near 40°F. Over 56 years of records, the warmest March 18th was in 2019 (58°F average), while the coldest was 2002 (37°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 59% of March 18th dates historically, with the wettest March 18th recording 4.06" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Bellevue, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 57° | 50° | 54° | 0.61" | — |
| 2025 | 53° | 33° | 43° | 0.08" | — |
| 2024 | 66° | 43° | 54° | — | — |
| 2023 | 67° | 39° | 53° | — | — |
| 2022 | 56° | 45° | 50° | 0.66" | — |
| 2021 | 55° | 37° | 46° | 0.51" | — |
| 2020 | 55° | 31° | 43° | — | — |
| 2019warmest | 73° | 42° | 58° | — | — |
| 2018 | 55° | 40° | 47° | — | — |
| 2017 | 54° | 36° | 45° | 1.12" | — |
| 2016 | 62° | 37° | 50° | — | — |
| 2015 | 62° | 45° | 53° | — | — |
| 2014 | 51° | 41° | 46° | — | — |
| 2013 | 54° | 39° | 46° | 0.1" | — |
| 2012 | 43° | 35° | 39° | 0.48" | — |
| 2011 | 52° | 38° | 45° | 0.69" | — |
| 2010 | 51° | 34° | 42° | — | — |
| 2009 | 56° | 38° | 47° | 0.03" | — |
| 2008 | 51° | 39° | 45° | 0.08" | — |
| 2007 | 61° | 47° | 54° | — | — |
| 2006 | 49° | 36° | 42° | — | — |
| 2005 | 53° | 39° | 46° | — | — |
| 2004 | 53° | 39° | 46° | 0.03" | — |
| 2003 | 54° | 39° | 46° | 0.28" | — |
| 2002coldest | 41° | 34° | 37° | 0.38" | — |
| 2001 | 54° | 46° | 50° | 1.42" | — |
| 2000 | 50° | 41° | 46° | 0.2" | — |
| 1999 | 53° | 42° | 48° | 0.05" | — |
| 1998 | 59° | 39° | 49° | — | — |
| 1997 | 55° | 45° | 50° | 4.06" | — |
| 1996 | 67° | 37° | 52° | — | — |
| 1995 | 55° | 47° | 51° | 0.69" | — |
| 1994 | 50° | 37° | 44° | 0.15" | — |
| 1993 | 48° | 40° | 44° | 0.23" | — |
| 1992 | 56° | 37° | 46° | — | — |
| 1991 | 57° | 36° | 46° | 0.36" | — |
| 1990 | 65° | 45° | 55° | 0.05" | — |
| 1989 | 50° | 42° | 46° | 1.02" | — |
| 1988 | 66° | 36° | 51° | — | — |
| 1987 | 50° | 41° | 46° | 0.33" | — |
| 1986 | 57° | 45° | 51° | 0.33" | — |
| 1985 | 50° | 46° | 48° | — | — |
| 1984 | 56° | 45° | 50° | 0.05" | — |
| 1983 | 64° | 34° | 49° | — | — |
| 1982 | 56° | 34° | 45° | — | — |
| 1981 | 61° | 39° | 50° | — | — |
| 1980 | 49° | 37° | 43° | 0.69" | — |
| 1979 | 60° | 42° | 51° | 0.13" | — |
| 1978 | 65° | 38° | 51° | — | — |
| 1977 | 50° | 38° | 44° | — | — |
| 1976 | 56° | 44° | 50° | 0.46" | — |
| 1975 | 51° | 40° | 45° | 1.42" | — |
| 1974 | 49° | 36° | 42° | 0.13" | — |
| 1973 | 46° | 39° | 43° | 0.1" | — |
| 1972 | 67° | 42° | 54° | 0.05" | — |
| 1971 | 49° | 30° | 39° | — | — |
56 years of data from SEATTLE UNIV OF WASHIN