Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 37° 46° 12° (1979) 65° (2005) 6.24" NA
February 39° 50° 8° (1989) 71° (1988) 5.07" NA
March 41° 56° 24° (1989) 79° (1994) 4.51" NA
April 44° 61° 31° (1975) 88° (2004) 3.1" NA
May 49° 67° 36° (1985) 103° (1983) 2.49" NA
June 53° 73° 41° (1991) 101° (2006) 1.6" NA
July 57° 79° 47° (1996) 104° (2006) 0.76" NA
August 58° 79° 46° (1973) 106° (1981) 0.99" NA
September 55° 74° 41° (1982) 103° (1988) 1.87" NA
October 48° 63° 31° (2002) 92° (1987) 3.39" NA
November 42° 51° 23° (1993) 71° (1999) 6.39" NA
December 37° 46° 10° (1983) 67° (1993) 6.75" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 57° 77° 44° (1973) 97° (1988) 0.05" NA
Sep 2 57° 77° 48° (1975) 103° (1988) 0.05" NA
Sep 3 57° 77° 49° (1980) 96° (2003) 0.05" NA
Sep 4 56° 77° 49° (2002) 96° (1973) 0.05" NA
Sep 5 56° 77° 48° (2001) 92° (1975) 0.05" NA
Sep 6 56° 77° 47° (1992) 91° (1981) 0.05" NA
Sep 7 56° 77° 46° (1976) 100° (1981) 0.05" NA
Sep 8 56° 76° 47° (1973) 91° (1997) 0.06" NA
Sep 9 56° 76° 47° (1985) 91° (1980) 0.06" NA
Sep 10 56° 76° 48° (1999) 97° (1973) 0.06" NA
Sep 11 56° 76° 47° (1986) 90° (1975) 0.06" NA
Sep 12 55° 75° 50° (1978) 92° (1975) 0.06" NA
Sep 13 55° 75° 48° (1992) 92° (1999) 0.06" NA
Sep 14 55° 75° 45° (1986) 92° (1974) 0.06" NA
Sep 15 55° 75° 42° (1996) 96° (1981) 0.06" NA
Sep 16 55° 74° 45° (1978) 90° (1994) 0.06" NA
Sep 17 54° 74° 46° (1983) 91° (1991) 0.06" NA
Sep 18 54° 74° 44° (1988) 90° (1991) 0.07" NA
Sep 19 54° 74° 43° (1983) 92° (1974) 0.07" NA
Sep 20 54° 73° 46° (1989) 93° (1974) 0.07" NA
Sep 21 54° 73° 45° (1993) 92° (1974) 0.07" NA
Sep 22 54° 73° 45° (1981) 92° (1974) 0.07" NA
Sep 23 53° 72° 42° (2000) 93° (1974) 0.07" NA
Sep 24 53° 72° 42° (1984) 95° (1974) 0.07" NA
Sep 25 53° 72° 44° (2000) 94° (1991) 0.07" NA
Sep 26 53° 71° 47° (2000) 86° (1993) 0.07" NA
Sep 27 52° 71° 42° (1999) 93° (2003) 0.07" NA
Sep 28 52° 70° 43° (1983) 88° (1989) 0.07" NA
Sep 29 52° 70° 41° (1982) 87° (1987) 0.07" NA
Sep 30 52° 70° 42° (1983) 86° (1975) 0.08" NA
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