Weather on March 5
Portland, OR
55 Years of Data
Avg High
53°F
Avg Low
39°F
Warmest
1979
57°F avg
Coldest
2019
35°F avg
About This Date
March 5th in Portland, OR typically brings cool spring weather, with average highs around 53°F and lows near 39°F. Over 56 years of records, the warmest March 5th was in 1979 (57°F average), while the coldest was 2019 (35°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 61% of March 5th dates historically, with the wettest March 5th recording 3.66" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for March 5th 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 | 52° | 43° | 47° | 0.36" | — |
| 2025 | 56° | 40° | 48° | — | — |
| 2024 | 44° | 35° | 40° | 0.23" | — |
| 2023 | 43° | 33° | 38° | 0.43" | — |
| 2022 | 54° | 37° | 45° | — | — |
| 2021 | 48° | 41° | 45° | 0.33" | — |
| 2020 | 58° | 38° | 48° | — | — |
| 2019coldest | 42° | 28° | 35° | — | — |
| 2018 | 50° | 38° | 44° | 0.05" | — |
| 2017 | 45° | 35° | 40° | 0.81" | — |
| 2016 | 60° | 44° | 52° | 0.84" | — |
| 2015 | 61° | 36° | 48° | — | — |
| 2014 | 58° | 51° | 54° | 3.07" | — |
| 2013 | 46° | 40° | 43° | 0.36" | — |
| 2012 | 46° | 38° | 42° | 0.79" | — |
| 2011 | 52° | 41° | 46° | 0.25" | — |
| 2010 | 57° | 39° | 48° | — | — |
| 2009 | 49° | 39° | 44° | 0.56" | — |
| 2008 | 58° | 34° | 46° | — | — |
| 2007 | 66° | 46° | 56° | — | — |
| 2006 | 56° | 43° | 49° | 0.38" | — |
| 2005 | 60° | 43° | 51° | — | — |
| 2004 | 51° | 43° | 47° | 0.18" | — |
| 2003 | 50° | 45° | 47° | 0.41" | — |
| 2002 | 48° | 45° | 46° | 0.13" | — |
| 2001 | 64° | 44° | 54° | — | — |
| 2000 | 47° | 34° | 40° | 0.03" | — |
| 1999 | 44° | 35° | 40° | — | — |
| 1998 | 54° | 33° | 43° | — | — |
| 1997 | 46° | 37° | 42° | 0.74" | — |
| 1996 | 50° | 41° | 46° | 3.66" | — |
| 1995 | 50° | 36° | 43° | 0.56" | — |
| 1994 | 53° | 36° | 44° | — | — |
| 1993 | 61° | 50° | 55° | 0.08" | — |
| 1992 | 62° | 45° | 53° | 0.64" | — |
| 1991 | 47° | 35° | 41° | 0.1" | — |
| 1990 | 54° | 44° | 49° | 0.15" | — |
| 1989 | 53° | 33° | 43° | 2.87" | — |
| 1988 | 50° | 39° | 45° | 0.41" | — |
| 1987 | 58° | 48° | 53° | 0.38" | — |
| 1986 | 64° | 44° | 54° | — | — |
| 1985 | 49° | 37° | 43° | 0.03" | — |
| 1984 | 68° | 37° | 53° | — | — |
| 1983 | 55° | 46° | 51° | 0.97" | — |
| 1982 | 52° | 38° | 45° | — | — |
| 1981 | 52° | 32° | 42° | — | — |
| 1980 | 49° | 36° | 42° | 1.45" | — |
| 1979warmest | 61° | 53° | 57° | 1.19" | — |
| 1978 | 55° | 37° | 46° | — | — |
| 1977 | 62° | 33° | 48° | — | — |
| 1976 | 54° | 27° | 40° | — | — |
| 1975 | 55° | 33° | 44° | — | — |
| 1974 | 46° | 38° | 42° | 0.84" | — |
| 1973 | 55° | 42° | 49° | 0.23" | — |
| 1972 | 60° | 51° | 56° | 1.24" | — |
| 1971 | 47° | 33° | 40° | — | — |
56 years of data from PORTLAND KGW-TV