36.162°N, 97.089°W · station SWOthr · 134 years of record
73°F
COLDEST SEP 5 SINCE 2025
forecast low · Sep 5
7-Day Forecast
NWS NDFD forecast low temperature for Stillwater.
This Day in History
Every year's low on each of the next 7 forecast dates at Stillwater — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#123 / 127
coldest Sep 2 in 127 yrs of record
Coldest Sep 2 ever
48°F
set in 1915
Mildest Sep 2 ever
79°F
set in 1936
Forecast low 76°F — 123rd coldest Sep 2 of 127 years · record 48°F (1915) · coldest since 2025.
Ranks
#120 / 128
coldest Sep 3 in 128 yrs of record
Coldest Sep 3 ever
47°F
set in 1974
Mildest Sep 3 ever
79°F
set in 1936
Forecast low 74°F — 120th coldest Sep 3 of 128 years · record 47°F (1974) · coldest since 2025.
Ranks
#119 / 128
coldest Sep 4 in 128 yrs of record
Coldest Sep 4 ever
46°F
set in 1974
Mildest Sep 4 ever
78°F
set in 1895
Forecast low 74°F — 119th coldest Sep 4 of 128 years · record 46°F (1974) · coldest since 2025.
Ranks
#112 / 126
coldest Sep 5 in 126 yrs of record
Coldest Sep 5 ever
47°F
set in 1974
Mildest Sep 5 ever
78°F
set in 1898
Forecast low 73°F — 112th coldest Sep 5 of 126 years · record 47°F (1974) · coldest since 2025.
Ranks
#117 / 128
coldest Sep 6 in 128 yrs of record
Coldest Sep 6 ever
44°F
set in 2011
Mildest Sep 6 ever
79°F
set in 1998
Forecast low 74°F — 117th coldest Sep 6 of 128 years · record 44°F (2011) · coldest since 2025.
Ranks
#114 / 127
coldest Sep 7 in 127 yrs of record
Coldest Sep 7 ever
44°F
set in 1943
Mildest Sep 7 ever
77°F
set in 1936
Forecast low 73°F — 114th coldest Sep 7 of 127 years · record 44°F (1943) · coldest since 2025.
Ranks
#120 / 127
coldest Sep 8 in 127 yrs of record
Coldest Sep 8 ever
46°F
set in 1898
Mildest Sep 8 ever
77°F
set in 1922
Forecast low 74°F — 120th coldest Sep 8 of 127 years · record 46°F (1898) · coldest since 2025.
The hottest and coldest ever recorded at Stillwater in each calendar month, and for the whole 1893–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
82°FJan 28, 2015
-12°FJan 12, 1918
Feb
92°FFeb 23, 1996
-21°FFeb 10, 2011
Mar
98°FMar 19, 1907
-5°FMar 12, 1948
Apr
104°FApr 13, 1972
16°FApr 3, 1936
May
101°FMay 31, 1985
29°FMay 1, 1903
Jun
106°FJun 22, 1936
43°FJun 5, 1919
Jul
113°FJul 18, 1936
50°FJul 22, 1894
Aug
115°FAug 11, 1936
43°FAug 31, 1915
Sep
110°FSep 2, 1939
31°FSep 30, 1984
Oct
99°FOct 3, 1898
12°FOct 30, 1917
Nov
90°FNov 7, 2023
7°FNov 17, 1894
Dec
85°FDec 27, 2025
-15°FDec 23, 1989
All-time
115°FAug 11, 1936
-21°FFeb 10, 2011
2026 Records So Far
Records set or tied at Stillwater so far this year — through Aug 30.
Record Highs in 2026
6 broke
plus 1 tied — daily record highs set this year
Record Lows in 2026
0 broke
plus 1 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
89°F
record high minimum — the night it never cooled · Jun 27, 1894
Coldest high ever
0°F
record low maximum — the day it never warmed · Dec 23, 1990
Month
Warmest low
Coldest high
Jan
63°FJan 14, 1952
5°FJan 12, 1912
Feb
65°FFeb 10, 1932
5°FFeb 15, 2021
Mar
72°FMar 30, 1967
18°FMar 11, 1948
Apr
75°FApr 5, 1967
36°FApr 8, 1938
May
77°FMay 27, 1912
43°FMay 4, 1935
Jun
89°FJun 27, 1894
60°FJun 9, 1913
Jul
87°FJul 19, 1936
67°FJul 21, 1970
Aug
88°FAug 2, 2012
66°FAug 20, 1950
Sep
82°FSep 8, 1896
48°FSep 29, 1945
Oct
78°FOct 1, 1926
34°FOct 27, 2020
Nov
69°FNov 1, 1982
24°FNov 29, 1897
Dec
65°FDec 29, 1984
0°FDec 23, 1990
All-time
89°FJun 27, 1894
0°FDec 23, 1990
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
48 days
record run, ended Feb 22 1978
So far in 2026
47 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Stillwater's own 1991–2020 record. Today's normal low: 65°F · forecast is +8° vs normal.
Stillwater'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 Stillwater's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.