SOURCE: National Weather Service Portland, Oregon

PORTLAND's
Major Holiday Weather Statistics & Records

Holiday--->
New Years Day
(1/1)
Valentine's Day
(2/14)
St Patrick's
(~3/17)
Easter Sunday
Average High
44
51
56
59
Warmest High
60 in 1981
63 in 1977
76 in 1947
75 to 79
Coldest High
21 in 1979
34 in 1990
46 in 1945
48 to 51
Average Low
34
36
39
40
Warmest Low
50 in 1997
52 in 1982
48 in 1990
50 to 55
Coldest Low
14 in 1979
16 in 1995
24 in 1955
29 to 32
Average Precipitation
0.22 inch
0.14 inch
0.15 inch
0.10 inch
Most Precipitation
1.03" in 1987
0.76" in 1946
0.58" in 1949
~0.90"
Probability of 0.01"
or more Precipitation
62.7%
64.4%
52.5%
49%

Holiday--->
Mother's Day
(5/11)
Memorial Day
Father's Day
(~6/19)
July 4th
(7/4)
Average High
66
70
75
78
Warmest High
91 in 1971
100 in 1983
100 in 1992
97 in 1972
Coldest High
51 in 1999
53 in 1976
55 in 1991
61 in 1964
Average Low
46
50
54
56
Warmest Low
58 in 1987
62 in 1983
64 in 1982
63 in 1985
Coldest Low
35 in 1965
38 in 1954
43 in 1954
48 in 1977
Average Precipitation
0.06 inch
0.06 inch
0.05 inch
0.02 inch
Most Precipitation
~ 0.50"
1.03" in 1993
1.46" in 1984
0.21" in 1998
Probability of 0.01"
or more Precipitation
40%
~35%
~25%
25.9%

Holiday--->
Labor Day
(9/4)
Halloween
(10/31)
Veteran's Day
(11/11)
Thanksgiving
(11/25)
Average High
77
58
54
50
Warmest High
101 in 1944
71 in 1954
64 in 1989
63 in 1977
Coldest High
62 in 1978
44 in 1955
41 in 1948
26 in 1985
Average Low
54
42
40
38
Warmest High
63 in 1998
55 in 1987
56 in 1989
56 in 1995
Coldest High
43 in 1956
28 in 1995
26 in 1955
48 in 1983
Average Precipitation
0.06 inch
0.13 inch
0.16 inch
0.18 inch
Most Precipitation
1.18" in 1945
2.44" in 1994
2.01" in 1995
2.26" in 1945
Probability of 0.01"
or more Precipitation
~20%
52.5%
64.4%
~65%

Holiday--->
1st Day of Hannukah
(12/4)
Christmas
(12/25)
.
Rose Parade
(~6/11)
Average High
47
45
.
73
Warmest High
64 in 1945
64 in 1980
.
93 in 1963
Coldest High
27 in 1972
31 in 1983
.
57 in 1933
Average Low
36
34
.
52
Warmest Low
55 in 1975
60 in 1980
.
66 in 1963
Coldest Low
20 in 1972
19 in 1990
.
42 in 1967
Average Precipitation
0.21 inch
0.20 inch
.
0.07 inch
Most Precipitation
2.08" in 1980
1.73' in 1980
.
0.57" in 1957
Probability of 0.01"
or more Precipitation
~70%
57.6%
.
~32%