46.480°N, 84.358°W · station ANJthr · 139 years of record
52°F
COLDEST SEP 8 SINCE 2025
forecast low · Sep 8
7-Day Forecast
NWS NDFD forecast low temperature for Sault Ste Marie.
This Day in History
Every year's low on each of the next 7 forecast dates at Sault Ste Marie — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#131 / 138
coldest Sep 2 in 138 yrs of record
Coldest Sep 2 ever
35°F
set in 1958
Mildest Sep 2 ever
69°F
set in 1973
Forecast low 65°F — 131st coldest Sep 2 of 138 years · record 35°F (1958) · coldest since 2025.
Ranks
#100 / 138
coldest Sep 3 in 138 yrs of record
Coldest Sep 3 ever
31°F
set in 1976
Mildest Sep 3 ever
71°F
set in 1929
Forecast low 56°F — 100th coldest Sep 3 of 138 years · record 31°F (1976) · coldest since 2025.
Ranks
#105 / 138
coldest Sep 4 in 138 yrs of record
Coldest Sep 4 ever
36°F
set in 1942
Mildest Sep 4 ever
67°F
set in 1971
Forecast low 55°F — 105th coldest Sep 4 of 138 years · record 36°F (1942) · coldest since 2025.
Ranks
#112 / 138
coldest Sep 5 in 138 yrs of record
Coldest Sep 5 ever
36°F
set in 1950
Mildest Sep 5 ever
66°F
set in 1971
Forecast low 57°F — 112th coldest Sep 5 of 138 years · record 36°F (1950) · coldest since 2025.
Ranks
#109 / 138
coldest Sep 6 in 138 yrs of record
Coldest Sep 6 ever
34°F
set in 1984
Mildest Sep 6 ever
66°F
set in 2015
Forecast low 57°F — 109th coldest Sep 6 of 138 years · record 34°F (1984) · coldest since 2025.
Ranks
#117 / 138
coldest Sep 7 in 138 yrs of record
Coldest Sep 7 ever
34°F
set in 1984
Mildest Sep 7 ever
67°F
set in 2016
Forecast low 57°F — 117th coldest Sep 7 of 138 years · record 34°F (1984) · coldest since 2025.
Ranks
#100 / 138
coldest Sep 8 in 138 yrs of record
Coldest Sep 8 ever
34°F
set in 1979
Mildest Sep 8 ever
69°F
set in 1959
Forecast low 52°F — 100th coldest Sep 8 of 138 years · record 34°F (1979) · coldest since 2025.
The hottest and coldest ever recorded at Sault Ste Marie in each calendar month, and for the whole 1888–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
54°FJan 7, 1932
-36°FJan 10, 1982
Feb
51°FFeb 27, 2024
-37°FFeb 10, 1899
Mar
83°FMar 21, 2012
-28°FMar 11, 1948
Apr
85°FApr 25, 1990
-13°FApr 1, 1923
May
91°FMay 30, 1919
18°FMay 7, 1966
Jun
93°FJun 27, 1901
26°FJun 3, 1982
Jul
98°FJul 30, 1916
36°FJul 14, 1950
Aug
98°FAug 5, 1947
29°FAug 29, 1982
Sep
95°FSep 8, 1976
25°FSep 25, 1947
Oct
83°FOct 2, 2023
15°FOct 30, 1925
Nov
75°FNov 9, 2020
-12°FNov 29, 1929
Dec
62°FDec 5, 2001
-31°FDec 26, 1993
All-time
98°FJul 30, 1916
-37°FFeb 10, 1899
2026 Records So Far
Records set or tied at Sault Ste Marie so far this year — through Aug 30.
Record Highs in 2026
0 broke
plus 1 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
72°F
record high minimum — the night it never cooled · Jul 26, 2020
Coldest high ever
-12°F
record low maximum — the day it never warmed · Feb 5, 1895
Month
Warmest low
Coldest high
Jan
39°FJan 13, 1932
-12°FJan 15, 1994
Feb
38°FFeb 28, 1902
-12°FFeb 5, 1895
Mar
50°FMar 20, 2012
-4°FMar 5, 1890
Apr
56°FApr 27, 1990
17°FApr 3, 1954
May
65°FMay 22, 2021
29°FMay 2, 1911
Jun
70°FJun 30, 2018
41°FJun 3, 1891
Jul
72°FJul 26, 2020
50°FJul 10, 1945
Aug
70°FAug 15, 1987
50°FAug 25, 1917
Sep
71°FSep 3, 1929
35°FSep 30, 1899
Oct
65°FOct 5, 2005
26°FOct 29, 1893
Nov
57°FNov 9, 2020
6°FNov 30, 1936
Dec
43°FDec 3, 1962
-11°FDec 17, 1919
All-time
72°FJul 26, 2020
-12°FFeb 5, 1895
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
153 days
record run, ended Apr 19 1923
So far in 2026
119 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Sault Ste Marie's own 1991–2020 record. Today's normal low: 51°F · forecast is +1° vs normal.
Sault Ste Marie's observed daily low 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 Sault Ste Marie's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's low at Sault Ste Marie, coloured by temperature — 139 years of record, so heat waves read as warm streaks and cold snaps as blue.
Days Below the Mark
How many days a year hit a given low at Sault Ste Marie — counted through Sep 8 each year, so you can see whether 2026 is running cold. Pick a threshold:
119 days ≤32°F so far in 2026 — tied for the 33rd most in 139 years. Normal for this point: 112. Record: 134 in 1956.
Share Card
A ready-to-share summary of Sault Ste Marie's outlook — post it, or link this page.