45.596°N, 122.609°W · station PDXthr · 87 years of record
74°F
HOTTEST SEP 6 SINCE 2024
forecast high · Sep 6
7-Day Forecast
NWS NDFD forecast high temperature for Portland.
This Day in History
Every year's high on each of the next 7 forecast dates at Portland — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#67 / 85
warmest Sep 1 in 85 yrs of record
Warmest Sep 1 ever
99°F
set in 2024
Coolest Sep 1 ever
62°F
set in 1941
Forecast high 73°F — 67th warmest Sep 1 of 85 years · record 99°F (2024) · warmest since 2025.
Ranks
#83 / 85
warmest Sep 2 in 85 yrs of record
Warmest Sep 2 ever
98°F
set in 1988
Coolest Sep 2 ever
61°F
set in 1960
Forecast high 66°F — 83rd warmest Sep 2 of 85 years · record 98°F (1988) · warmest since 2025.
Ranks
#80 / 85
warmest Sep 3 in 85 yrs of record
Warmest Sep 3 ever
105°F
set in 1988
Coolest Sep 3 ever
62°F
set in 1964
Forecast high 65°F — 80th warmest Sep 3 of 85 years · record 105°F (1988) · warmest since 2025.
Ranks
#82 / 85
warmest Sep 4 in 85 yrs of record
Warmest Sep 4 ever
98°F
set in 1955
Coolest Sep 4 ever
62°F
set in 1959
Forecast high 68°F — 82nd warmest Sep 4 of 85 years · record 98°F (1955) · warmest since 2025.
Ranks
#62 / 85
warmest Sep 5 in 85 yrs of record
Warmest Sep 5 ever
93°F
set in 1944
Coolest Sep 5 ever
63°F
set in 1959
Forecast high 73°F — 62nd warmest Sep 5 of 85 years · record 93°F (1944) · warmest since 2025.
Ranks
#52 / 85
warmest Sep 6 in 85 yrs of record
Warmest Sep 6 ever
102°F
set in 2024
Coolest Sep 6 ever
60°F
set in 2015
Forecast high 74°F — 52nd warmest Sep 6 of 85 years · record 102°F (2024) · warmest since 2024.
Ranks
#55 / 85
warmest Sep 7 in 85 yrs of record
Warmest Sep 7 ever
99°F
set in 1981
Coolest Sep 7 ever
63°F
set in 1955
Forecast high 73°F — 55th warmest Sep 7 of 85 years · record 99°F (1981) · warmest since 2025.
The hottest and coldest ever recorded at Portland in each calendar month, and for the whole 1940–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
66°FJan 18, 2005
-2°FJan 31, 1950
Feb
71°FFeb 28, 1988
-3°FFeb 2, 1950
Mar
82°FMar 26, 2025
19°FMar 5, 1955
Apr
90°FApr 30, 1998
29°FApr 21, 1951
May
100°FMay 28, 1983
29°FMay 1, 1954
Jun
116°FJun 28, 2021
39°FJun 1, 1966
Jul
107°FJul 30, 1965
43°FJul 2, 1955
Aug
108°FAug 14, 2023
44°FAug 29, 1951
Sep
105°FSep 2, 1988
34°FSep 22, 1961
Oct
92°FOct 1, 1987
26°FOct 28, 1946
Nov
73°FNov 3, 1975
13°FNov 15, 1955
Dec
67°FDec 4, 2023
6°FDec 16, 1964
All-time
116°FJun 28, 2021
-3°FFeb 2, 1950
2026 Records So Far
Records set or tied at Portland so far this year — through Aug 30.
Record Highs in 2026
6 broke
plus 0 tied — daily record highs set this year
Record Lows in 2026
0 broke
plus 0 tied — daily record lows set this year
Record Warm Nights & Cold Days
Two more daily records, kept separate from the rankings: the warmest a night has ever stayed (record high minimum) and the coldest a day has ever gotten (record low maximum) — the flip side of the usual record high and low.
Warmest low ever
75°F
record high minimum — the night it never cooled · Jun 28, 2021
Coldest high ever
14°F
record low maximum — the day it never warmed · Dec 30, 1968
Month
Warmest low
Coldest high
Jan
55°FJan 16, 2011
16°FJan 31, 1950
Feb
54°FFeb 27, 1972
15°FFeb 3, 1989
Mar
58°FMar 11, 2007
29°FMar 3, 1960
Apr
57°FApr 30, 1998
42°FApr 20, 1963
May
62°FMay 28, 1983
49°FMay 6, 1962
Jun
75°FJun 28, 2021
53°FJun 8, 1964
Jul
74°FJul 17, 1941
60°FJul 20, 1954
Aug
73°FAug 18, 2022
58°FAug 2, 1956
Sep
67°FSep 7, 2024
52°FSep 26, 1948
Oct
63°FOct 20, 2003
43°FOct 28, 1991
Nov
63°FNov 6, 2006
25°FNov 16, 1955
Dec
60°FDec 25, 1980
14°FDec 30, 1968
All-time
75°FJun 28, 2021
14°FDec 30, 1968
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
10 days
record run, ended Aug 3 2009
So far in 2026
18 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Portland's own 1991–2020 record. Today's normal high: 79°F · forecast is -5° vs normal.
Portland's observed daily high for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
2026 So Far
Every day this year against Portland's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.