Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 38° 47° 12° (1979) 65° (2005) 6.14" 0.8"
February 38° 51° 8° (1989) 71° (1988) 4.79" 0.9"
March 41° 56° 24° (1989) 79° (1994) 4.5" 0.1"
April 44° 61° 31° (1975) 88° (2004) 3.4" 0"
May 49° 67° 36° (1985) 103° (1983) 2.55" 0"
June 53° 73° 41° (1991) 101° (2006) 1.69" 0"
July 57° 80° 47° (1996) 104° (2006) 0.59" 0"
August 58° 80° 46° (1973) 106° (1981) 0.71" 0"
September 54° 75° 41° (1982) 103° (1988) 1.54" 0"
October 48° 63° 31° (2002) 92° (1987) 3.42" 0"
November 41° 52° 23° (1993) 71° (1999) 6.74" 0"
December 36° 45° 10° (1983) 67° (1993) 6.94" 1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 57° 78° 44° (1973) 97° (1988) 0.03" 0"
Sep 2 57° 78° 48° (1975) 103° (1988) 0.04" 0"
Sep 3 56° 78° 49° (1980) 96° (2003) 0.04" 0"
Sep 4 56° 78° 49° (2002) 96° (1973) 0.04" 0"
Sep 5 56° 77° 48° (2001) 92° (1975) 0.04" 0"
Sep 6 56° 77° 47° (1992) 91° (1981) 0.04" 0"
Sep 7 56° 77° 46° (1976) 100° (1981) 0.04" 0"
Sep 8 56° 77° 47° (1973) 91° (1997) 0.04" 0"
Sep 9 56° 77° 47° (1985) 91° (1980) 0.04" 0"
Sep 10 55° 76° 48° (1999) 97° (1973) 0.05" 0"
Sep 11 55° 76° 47° (1986) 90° (1975) 0.04" 0"
Sep 12 55° 76° 48° (2010) 92° (1975) 0.05" 0"
Sep 13 55° 76° 48° (1992) 92° (1999) 0.05" 0"
Sep 14 55° 75° 45° (1986) 92° (1974) 0.04" 0"
Sep 15 55° 75° 42° (1996) 96° (1981) 0.05" 0"
Sep 16 54° 75° 45° (1978) 90° (1994) 0.05" 0"
Sep 17 54° 75° 46° (1983) 91° (1991) 0.05" 0"
Sep 18 54° 74° 44° (1988) 90° (1991) 0.06" 0"
Sep 19 54° 74° 43° (1983) 92° (1974) 0.05" 0"
Sep 20 54° 74° 46° (1989) 93° (1974) 0.06" 0"
Sep 21 53° 73° 45° (1993) 92° (1974) 0.06" 0"
Sep 22 53° 73° 45° (1981) 92° (1974) 0.06" 0"
Sep 23 53° 73° 42° (2000) 93° (1974) 0.06" 0"
Sep 24 53° 72° 42° (1984) 95° (1974) 0.06" 0"
Sep 25 52° 72° 44° (2000) 94° (1991) 0.07" 0"
Sep 26 52° 72° 47° (2000) 86° (1993) 0.06" 0"
Sep 27 52° 71° 42° (1999) 93° (2003) 0.07" 0"
Sep 28 52° 71° 43° (1983) 88° (1989) 0.07" 0"
Sep 29 51° 70° 41° (1982) 87° (1987) 0.07" 0"
Sep 30 51° 70° 42° (1983) 86° (1975) 0.06" 0"
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