Weather on March 9
Hillsboro, OR
55 Years of Data
Avg High
55°F
Avg Low
37°F
Warmest
1984
55°F avg
Coldest
2002
36°F avg
About This Date
March 9th in Hillsboro, OR typically brings cool spring weather, with average highs around 55°F and lows near 37°F. Over 56 years of records, the warmest March 9th was in 1984 (55°F average), while the coldest was 2002 (36°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 61% of March 9th dates historically, with the wettest March 9th recording 2.11" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for March 9th in Hillsboro, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 50° | 33° | 42° | 0.1" | — |
| 2025 | 60° | 33° | 47° | 0.43" | — |
| 2024 | 52° | 36° | 44° | 0.15" | — |
| 2023 | 44° | 40° | 42° | 1.12" | — |
| 2022 | 52° | 33° | 42° | 0.08" | — |
| 2021 | 54° | 36° | 45° | 0.13" | — |
| 2020 | 57° | 26° | 42° | — | — |
| 2019 | 50° | 34° | 42° | — | — |
| 2018 | 54° | 34° | 44° | — | — |
| 2017 | 56° | 43° | 49° | 1.27" | — |
| 2016 | 57° | 45° | 51° | 2.11" | — |
| 2015 | 68° | 34° | 51° | — | — |
| 2014 | 59° | 47° | 53° | 0.43" | — |
| 2013 | 58° | 28° | 43° | — | — |
| 2012 | 59° | 29° | 44° | — | — |
| 2011 | 55° | 49° | 52° | 0.99" | — |
| 2010 | 48° | 34° | 41° | 0.58" | — |
| 2009 | 42° | 30° | 36° | 0.15" | — |
| 2008 | 59° | 34° | 46° | — | — |
| 2007 | 52° | 44° | 48° | 0.38" | — |
| 2006 | 40° | 33° | 36° | 1.4" | — |
| 2005 | 70° | 37° | 53° | — | — |
| 2004 | 61° | 39° | 50° | 0.03" | — |
| 2003 | 51° | 40° | 45° | 1.55" | — |
| 2002coldest | 42° | 30° | 36° | 0.08" | — |
| 2001 | 51° | 32° | 42° | 0.18" | — |
| 2000 | 57° | 40° | 48° | — | — |
| 1999 | 47° | 38° | 42° | 0.05" | — |
| 1998 | 53° | 40° | 46° | — | — |
| 1997 | 56° | 41° | 48° | 0.76" | — |
| 1996 | 54° | 47° | 50° | 1.02" | — |
| 1995 | 62° | 46° | 54° | 1.04" | — |
| 1994 | 60° | 36° | 48° | — | — |
| 1993 | 61° | 37° | 49° | — | — |
| 1992 | 65° | 35° | 50° | — | — |
| 1991 | 54° | 34° | 44° | — | — |
| 1990 | 48° | 36° | 42° | — | — |
| 1989 | 59° | 38° | 48° | 0.18" | — |
| 1988 | 48° | 39° | 44° | 1.63" | — |
| 1987 | 56° | 43° | 49° | 0.05" | — |
| 1986 | 55° | 42° | 49° | 0.56" | — |
| 1985 | 58° | 29° | 43° | — | — |
| 1984warmest | 67° | 44° | 55° | 0.13" | — |
| 1983 | 55° | 47° | 51° | 1.14" | — |
| 1982 | 52° | 41° | 46° | 1.02" | — |
| 1981 | 64° | 34° | 49° | — | — |
| 1980 | 56° | 36° | 46° | — | — |
| 1979 | 64° | 35° | 50° | — | — |
| 1978 | 58° | 34° | 46° | — | — |
| 1977 | 47° | 36° | 41° | 0.81" | — |
| 1976 | 56° | 32° | 44° | — | — |
| 1975 | 53° | 36° | 44° | — | — |
| 1974 | 55° | 42° | 49° | 0.08" | — |
| 1973 | 53° | 44° | 49° | 0.03" | — |
| 1972 | 53° | 44° | 49° | 1.55" | — |
| 1971 | 45° | 37° | 41° | 0.13" | — |
56 years of data from HILLSBORO