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Oklahoma · THREADEX · 1893–2026

Stillwater, OK

36.162°N, 97.089°W · station SWOthr · 134 years of record
73°F
forecast low · Sep 5

7-Day Forecast

NWS NDFD forecast low temperature for Stillwater.
76°WED9/274°THU9/374°FRI9/473°SAT9/574°SUN9/673°MON9/774°TUE9/8

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

#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.
1894: 66°F1895: 77°F1896: 61°F1897: 65°F1898: 78°F1899: 71°F1900: 72°F1901: 68°F1903: 61°F1904: 58°F1905: 55°F1906: 66°F1907: 63°F1908: 64°F1909: 65°F1910: 71°F1911: 70°F1912: 74°F1913: 61°F1914: 71°F1915: 57°F1916: 70°F1917: 66°F1918: 59°F1919: 61°F1920: 62°F1921: 64°F1922: 73°F1923: 68°F1924: 56°F1925: 67°F1926: 77°F1927: 67°F1929: 56°F1930: 73°F1931: 73°F1932: 61°F1933: 65°F1934: 61°F1935: 57°F1936: 78°F1937: 75°F1938: 71°F1939: 68°F1940: 67°F1941: 64°F1942: 67°F1943: 68°F1944: 69°F1945: 69°F1948: 65°F1949: 63°F1950: 60°F1951: 67°F1952: 58°F1953: 55°F1954: 65°F1955: 60°F1956: 72°F1958: 66°F1959: 72°F1960: 63°F1961: 55°F1962: 56°F1963: 69°F1964: 72°F1965: 67°F1966: 64°F1967: 62°F1968: 60°F1969: 66°F1970: 71°F1971: 67°F1973: 62°F1974: 47°F1975: 68°F1976: 69°F1977: 70°F1978: 72°F1979: 69°F1980: 71°F1981: 64°F1982: 65°F1983: 73°F1984: 51°F1985: 73°F1986: 66°F1987: 67°F1988: 57°F1989: 68°F1990: 68°F1991: 62°F1992: 63°F1993: 54°F1994: 71°F1995: 68°F1996: 64°F1997: 60°F1998: 68°F1999: 71°F2000: 76°F2001: 70°F2002: 69°F2003: 58°F2004: 69°F2005: 63°F2006: 55°F2007: 72°F2008: 59°F2009: 66°F2010: 57°F2011: 53°F2012: 73°F2013: 63°F2014: 63°F2015: 73°F2016: 67°F2017: 53°F2018: 72°F2019: 67°F2020: 66°F2021: 65°F2022: 62°F2023: 75°F2024: 63°F2025: 57°F73° forecast45505560657075801900191019201930194019501960197019801990200020102020
📖 Stillwater's full Climate Almanac →

The Numbers

Forecast low · Sep 573°F
Coldest this date since2025
This-date record47°F
This-date rank#112 of 126
Coldest at any time since2026
All-time record-21°F (2011)
Odds to tie/break0.0% (daily)
Period of record1893–2026

Record Book

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.
MonthRecord HighRecord Low
Jan82°FJan 28, 2015-12°FJan 12, 1918
Feb92°FFeb 23, 1996-21°FFeb 10, 2011
Mar98°FMar 19, 1907-5°FMar 12, 1948
Apr104°FApr 13, 197216°FApr 3, 1936
May101°FMay 31, 198529°FMay 1, 1903
Jun106°FJun 22, 193643°FJun 5, 1919
Jul113°FJul 18, 193650°FJul 22, 1894
Aug115°FAug 11, 193643°FAug 31, 1915
Sep110°FSep 2, 193931°FSep 30, 1984
Oct99°FOct 3, 189812°FOct 30, 1917
Nov90°FNov 7, 20237°FNov 17, 1894
Dec85°FDec 27, 2025-15°FDec 23, 1989
All-time115°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
MonthWarmest lowColdest high
Jan63°FJan 14, 19525°FJan 12, 1912
Feb65°FFeb 10, 19325°FFeb 15, 2021
Mar72°FMar 30, 196718°FMar 11, 1948
Apr75°FApr 5, 196736°FApr 8, 1938
May77°FMay 27, 191243°FMay 4, 1935
Jun89°FJun 27, 189460°FJun 9, 1913
Jul87°FJul 19, 193667°FJul 21, 1970
Aug88°FAug 2, 201266°FAug 20, 1950
Sep82°FSep 8, 189648°FSep 29, 1945
Oct78°FOct 1, 192634°FOct 27, 2020
Nov69°FNov 1, 198224°FNov 29, 1897
Dec65°FDec 29, 19840°FDec 23, 1990
All-time89°FJun 27, 18940°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.
Jan: 50°FJan: 26°FFeb: 54°FFeb: 29°FMar: 64°FMar: 39°FApr: 72°FApr: 47°FMay: 80°FMay: 57°FJun: 89°FJun: 67°FJul: 94°FJul: 71°FAug: 94°FAug: 69°FSep: 85°FSep: 61°FOct: 74°FOct: 48°FNov: 62°FNov: 37°FDec: 51°FDec: 28°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise6:00 AM
Sunset6:56 PM
Solar noon12:28 PM
Daylight12h 57m · losing 15 min/wk
Local standard time (no DST), level horizon.

Location

36.16°N, 97.09°W

Nearby Stations

Oklahoma City, OK60 mi SWTulsa, OK67 mi EWichita, KS104 mi NLawton, OK133 mi SWFort Smith, AR163 mi EWichita Falls, TX170 mi SW

The Last 6 Weeks

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.
Stillwater, OK — last six weeks of daily low

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.
Stillwater, OK — 2026 daily low trace
Download year chart

Every Day Since 1893

Each cell is one day's low at Stillwater, coloured by temperature — 134 years of record, so heat waves read as warm streaks and cold snaps as blue.
Stillwater, OK daily low heat map 1893–2026

Days Below the Mark

How many days a year hit a given low at Stillwater — counted through Sep 5 each year, so you can see whether 2026 is running cold. Pick a threshold:
47 days ≤32°F so far in 2026 — tied for the 103rd most in 134 years. Normal for this point: 54. Record: 77 in 1926.

Share Card

A ready-to-share summary of Stillwater's outlook — post it, or link this page.
Stillwater, OK cold share card
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