Weather on March 12
Hillsboro, OR
55 Years of Data
Avg High
55°F
Avg Low
38°F
Warmest
1998
57°F avg
Coldest
1990
38°F avg
About This Date
March 12th in Hillsboro, OR typically brings cool spring weather, with average highs around 55°F and lows near 38°F. Over 56 years of records, the warmest March 12th was in 1998 (57°F average), while the coldest was 1990 (38°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 61% of March 12th dates historically, with the wettest March 12th recording 3.51" of rain. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for March 12th 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 | 53° | 46° | 50° | 2.24" | — |
| 2025 | 51° | 42° | 47° | 1.98" | — |
| 2024 | 52° | 34° | 43° | 0.64" | — |
| 2023 | 50° | 30° | 40° | 0.76" | — |
| 2022 | 58° | 28° | 43° | 0.25" | — |
| 2021 | 61° | 29° | 45° | — | — |
| 2020 | 56° | 28° | 42° | — | — |
| 2019 | 49° | 39° | 44° | 0.74" | — |
| 2018 | 70° | 36° | 53° | — | — |
| 2017 | 63° | 44° | 53° | — | — |
| 2016 | 48° | 41° | 45° | 0.84" | — |
| 2015 | 67° | 46° | 56° | — | — |
| 2014 | 64° | 30° | 47° | — | — |
| 2013 | 60° | 43° | 51° | — | — |
| 2012 | 47° | 36° | 41° | 2.36" | — |
| 2011 | 52° | 43° | 47° | 0.66" | — |
| 2010 | 51° | 36° | 43° | 1.02" | — |
| 2009 | 54° | 24° | 39° | — | — |
| 2008 | 53° | 36° | 44° | 0.46" | — |
| 2007 | 59° | 43° | 51° | 0.2" | — |
| 2006 | 47° | 33° | 40° | 0.2" | — |
| 2005 | 69° | 38° | 53° | — | — |
| 2004 | 59° | 43° | 51° | — | — |
| 2003 | 58° | 51° | 54° | — | — |
| 2002 | 48° | 35° | 42° | 3.51" | — |
| 2001 | 59° | 37° | 48° | — | — |
| 2000 | 57° | 40° | 48° | — | — |
| 1999 | 54° | 43° | 48° | 0.74" | — |
| 1998warmest | 62° | 51° | 57° | 0.79" | — |
| 1997 | 51° | 34° | 42° | 0.61" | — |
| 1996 | 55° | 39° | 47° | — | — |
| 1995 | 55° | 40° | 47° | 0.97" | — |
| 1994 | 59° | 33° | 46° | — | — |
| 1993 | 60° | 37° | 49° | — | — |
| 1992 | 68° | 37° | 53° | — | — |
| 1991 | 44° | 32° | 38° | 0.97" | — |
| 1990coldest | 45° | 32° | 38° | 0.56" | — |
| 1989 | 59° | 44° | 52° | 0.33" | — |
| 1988 | 59° | 28° | 44° | — | — |
| 1987 | 52° | 46° | 49° | 1.96" | — |
| 1986 | 56° | 43° | 49° | 0.41" | — |
| 1985 | 59° | 28° | 44° | — | — |
| 1984 | 49° | 42° | 45° | 0.81" | — |
| 1983 | 61° | 39° | 50° | 0.61" | — |
| 1982 | 48° | 32° | 40° | 0.05" | — |
| 1981 | 67° | 35° | 51° | — | — |
| 1980 | 48° | 36° | 42° | 0.69" | — |
| 1979 | 61° | 36° | 48° | — | — |
| 1978 | 51° | 37° | 44° | 0.08" | — |
| 1977 | 44° | 37° | 41° | 0.89" | — |
| 1976 | 54° | 28° | 41° | — | — |
| 1975 | 50° | 37° | 44° | 0.76" | — |
| 1974 | 46° | 38° | 42° | 1.73" | — |
| 1973 | 50° | 34° | 42° | 0.18" | — |
| 1972 | 58° | 53° | 55° | 2.51" | — |
| 1971 | 50° | 41° | 46° | 1.85" | — |
56 years of data from HILLSBORO