Weather on March 20
Hillsboro, OR
55 Years of Data
Avg High
58°F
Avg Low
38°F
Warmest
1998
62°F avg
Coldest
2014
40°F avg
About This Date
March 20th in Hillsboro, OR typically brings cool spring weather, with average highs around 58°F and lows near 38°F. Over 56 years of records, the warmest March 20th was in 1998 (62°F average), while the coldest was 2014 (40°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 50% of March 20th dates historically, with the wettest March 20th recording 1.09" of rain. 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 20th in Hillsboro, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 61° | 47° | 54° | — | — |
| 2025 | 48° | 42° | 45° | 1.09" | — |
| 2024 | 55° | 47° | 51° | — | — |
| 2023 | 49° | 38° | 43° | 0.33" | — |
| 2022 | 49° | 33° | 41° | 0.15" | — |
| 2021 | 54° | 39° | 46° | 0.36" | — |
| 2020 | 67° | 34° | 50° | — | — |
| 2019 | 75° | 44° | 60° | — | — |
| 2018 | 61° | 29° | 45° | — | — |
| 2017 | 55° | 35° | 45° | 0.3" | — |
| 2016 | 59° | 47° | 53° | 0.46" | — |
| 2015 | 63° | 42° | 52° | 0.43" | — |
| 2014coldest | 50° | 29° | 40° | 0.03" | — |
| 2013 | 52° | 38° | 45° | 0.71" | — |
| 2012 | 48° | 39° | 44° | 0.46" | — |
| 2011 | 51° | 33° | 42° | 0.18" | — |
| 2010 | 68° | 32° | 50° | — | — |
| 2009 | 58° | 40° | 49° | — | — |
| 2008 | 48° | 36° | 42° | 0.41" | — |
| 2007 | 50° | 32° | 41° | 0.05" | — |
| 2006 | 58° | 29° | 44° | — | — |
| 2005 | 55° | 39° | 47° | 0.2" | — |
| 2004 | 65° | 35° | 50° | — | — |
| 2003 | 50° | 44° | 47° | 0.74" | — |
| 2002 | 50° | 42° | 46° | 0.08" | — |
| 2001 | 62° | 28° | 45° | — | — |
| 2000 | 53° | 43° | 48° | — | — |
| 1999 | 65° | 47° | 56° | — | — |
| 1998warmest | 74° | 51° | 62° | — | — |
| 1997 | 59° | 34° | 46° | — | — |
| 1996 | 58° | 36° | 47° | — | — |
| 1995 | 54° | 40° | 47° | 0.48" | — |
| 1994 | 52° | 35° | 43° | 1.02" | — |
| 1993 | 60° | 42° | 51° | 0.3" | — |
| 1992 | 67° | 35° | 51° | — | — |
| 1991 | 49° | 37° | 43° | 0.08" | — |
| 1990 | 65° | 47° | 56° | — | — |
| 1989 | 57° | 33° | 45° | — | — |
| 1988 | 71° | 38° | 54° | — | — |
| 1987 | 51° | 37° | 44° | 0.18" | — |
| 1986 | 66° | 41° | 54° | — | — |
| 1985 | 59° | 41° | 50° | 0.13" | — |
| 1984 | 59° | 45° | 52° | 0.1" | — |
| 1983 | 64° | 35° | 50° | — | — |
| 1982 | 54° | 30° | 42° | — | — |
| 1981 | 56° | 32° | 44° | 0.03" | — |
| 1980 | 55° | 43° | 49° | — | — |
| 1979 | 69° | 34° | 51° | — | — |
| 1978 | 74° | 39° | 56° | — | — |
| 1977 | 52° | 34° | 43° | — | — |
| 1976 | 55° | 40° | 47° | 0.3" | — |
| 1975 | 48° | 40° | 44° | 0.08" | — |
| 1974 | 62° | 33° | 48° | — | — |
| 1973 | 52° | 39° | 45° | 0.03" | — |
| 1972 | 63° | 40° | 51° | 0.05" | — |
| 1971 | 58° | 30° | 44° | — | — |
56 years of data from HILLSBORO