Weather on March 23
Portland, OR
55 Years of Data
Avg High
57°F
Avg Low
41°F
Warmest
1979
57°F avg
Coldest
2018
40°F avg
About This Date
March 23rd in Portland, OR typically brings cool spring weather, with average highs around 57°F and lows near 41°F. Over 56 years of records, the warmest March 23rd was in 1979 (57°F average), while the coldest was 2018 (40°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 54% of March 23rd dates historically, with the wettest March 23rd recording 2.03" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for March 23rd in Portland, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 53° | 34° | 43° | — | — |
| 2025 | 59° | 49° | 54° | 0.15" | — |
| 2024 | 54° | 43° | 48° | 0.28" | — |
| 2023 | 49° | 39° | 44° | 0.41" | — |
| 2022 | 59° | 46° | 53° | 0.3" | — |
| 2021 | 56° | 42° | 49° | — | — |
| 2020 | 51° | 43° | 47° | 0.48" | — |
| 2019 | 59° | 46° | 53° | — | — |
| 2018coldest | 44° | 36° | 40° | 1.68" | — |
| 2017 | 58° | 40° | 49° | 0.69" | — |
| 2016 | 53° | 46° | 50° | 0.08" | — |
| 2015 | 53° | 44° | 49° | 1.63" | — |
| 2014 | 62° | 37° | 50° | — | — |
| 2013 | 51° | 34° | 42° | — | — |
| 2012 | 56° | 35° | 45° | — | — |
| 2011 | 57° | 37° | 47° | 0.53" | — |
| 2010 | 61° | 38° | 49° | — | — |
| 2009 | 47° | 37° | 42° | 0.46" | — |
| 2008 | 54° | 41° | 47° | 0.69" | — |
| 2007 | 58° | 46° | 52° | — | — |
| 2006 | 64° | 45° | 54° | — | — |
| 2005 | 48° | 41° | 45° | 0.53" | — |
| 2004 | 63° | 47° | 55° | — | — |
| 2003 | 52° | 39° | 45° | — | — |
| 2002 | 63° | 42° | 52° | — | — |
| 2001 | 70° | 40° | 55° | — | — |
| 2000 | 53° | 40° | 46° | — | — |
| 1999 | 61° | 39° | 50° | — | — |
| 1998 | 59° | 51° | 55° | 1.27" | — |
| 1997 | 62° | 48° | 55° | — | — |
| 1996 | 56° | 41° | 48° | — | — |
| 1995 | 52° | 36° | 44° | 0.1" | — |
| 1994 | 51° | 35° | 43° | — | — |
| 1993 | 58° | 43° | 50° | 1.04" | — |
| 1992 | 67° | 43° | 55° | — | — |
| 1991 | 52° | 38° | 45° | 0.61" | — |
| 1990 | 56° | 44° | 50° | — | — |
| 1989 | 60° | 34° | 47° | — | — |
| 1988 | 51° | 43° | 47° | 0.76" | — |
| 1987 | 52° | 41° | 46° | 1.4" | — |
| 1986 | 62° | 40° | 51° | 1.4" | — |
| 1985 | 51° | 41° | 46° | 2.03" | — |
| 1984 | 57° | 46° | 52° | 0.48" | — |
| 1983 | 57° | 44° | 51° | — | — |
| 1982 | 67° | 37° | 52° | — | — |
| 1981 | 57° | 46° | 52° | 0.58" | — |
| 1980 | 55° | 40° | 47° | 0.05" | — |
| 1979warmest | 73° | 41° | 57° | — | — |
| 1978 | 59° | 49° | 54° | 0.97" | — |
| 1977 | 51° | 42° | 47° | 0.84" | — |
| 1976 | 48° | 38° | 43° | 0.66" | — |
| 1975 | 46° | 40° | 43° | 1.4" | — |
| 1974 | 60° | 40° | 50° | — | — |
| 1973 | 63° | 36° | 49° | — | — |
| 1972 | 56° | 40° | 48° | 0.05" | — |
| 1971 | 61° | 49° | 55° | 0.58" | — |
56 years of data from PORTLAND KGW-TV