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North Dakota · THREADEX · 1874–2026

Bismarck, ND

46.782°N, 100.757°W · station BISthr · 153 years of record
72°F
forecast high · Oct 17

7-Day Forecast

NWS NDFD forecast high temperature for Bismarck.
72°SAT10/1764°SUN10/1863°MON10/1966°TUE10/2067°WED10/2168°THU10/2267°FRI10/23

This Day in History

Every year's high on each of the next 7 forecast dates at Bismarck — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.

Ranks

#24 / 152
warmest Oct 17 in 152 yrs of record

Warmest Oct 17 ever

84°F
set in 1895

Coolest Oct 17 ever

27°F
set in 1930
Forecast high 72°F — 24th warmest Oct 17 of 152 years · record 84°F (1895) · warmest since 2023.
1874: 69°F1875: 59°F1876: 72°F1877: 46°F1878: 48°F1879: 54°F1880: 33°F1881: 48°F1882: 46°F1883: 48°F1884: 72°F1885: 49°F1886: 51°F1887: 56°F1888: 44°F1889: 62°F1890: 57°F1891: 58°F1892: 69°F1893: 56°F1894: 54°F1895: 84°F1896: 55°F1897: 51°F1898: 32°F1899: 42°F1900: 75°F1901: 70°F1902: 59°F1903: 57°F1904: 69°F1905: 38°F1906: 59°F1907: 53°F1908: 53°F1909: 40°F1910: 79°F1911: 60°F1912: 76°F1913: 54°F1914: 84°F1915: 63°F1916: 59°F1917: 44°F1918: 59°F1919: 53°F1920: 64°F1921: 66°F1922: 46°F1923: 58°F1924: 75°F1925: 37°F1926: 71°F1927: 75°F1928: 66°F1929: 80°F1930: 27°F1931: 70°F1932: 56°F1933: 54°F1934: 39°F1935: 66°F1936: 47°F1937: 64°F1938: 44°F1939: 56°F1940: 62°F1941: 62°F1942: 68°F1943: 65°F1944: 77°F1945: 81°F1946: 54°F1947: 68°F1948: 38°F1949: 55°F1950: 74°F1951: 35°F1952: 37°F1953: 73°F1954: 59°F1955: 64°F1956: 82°F1957: 59°F1958: 66°F1959: 65°F1960: 74°F1961: 60°F1962: 66°F1963: 76°F1964: 61°F1965: 67°F1966: 63°F1967: 57°F1968: 57°F1969: 50°F1970: 67°F1971: 45°F1972: 52°F1973: 59°F1974: 67°F1975: 63°F1976: 41°F1977: 59°F1978: 56°F1979: 59°F1980: 43°F1981: 55°F1982: 75°F1983: 53°F1984: 43°F1985: 58°F1986: 71°F1987: 64°F1988: 60°F1989: 42°F1990: 38°F1991: 70°F1992: 37°F1993: 58°F1994: 58°F1995: 62°F1996: 52°F1997: 76°F1998: 44°F1999: 52°F2000: 68°F2001: 72°F2002: 41°F2003: 81°F2004: 43°F2005: 73°F2006: 40°F2007: 51°F2008: 52°F2009: 62°F2010: 50°F2011: 56°F2012: 70°F2013: 49°F2014: 52°F2015: 61°F2016: 74°F2017: 80°F2018: 65°F2019: 65°F2020: 46°F2021: 75°F2022: 43°F2023: 73°F2024: 69°F2025: 65°F72° forecast25303540455055606570758085188018901900191019201930194019501960197019801990200020102020
📖 Bismarck's full Climate Almanac →

The Numbers

Forecast high · Oct 1772°F
Hottest this date since2023
This-date record84°F
This-date rank#24 of 152
Hottest at any time since2026
All-time record114°F (1936)
Odds to tie/break0.0% (daily)
Period of record1874–2026

Record Book

The hottest and coldest ever recorded at Bismarck in each calendar month, and for the whole 1874–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan63°FJan 8, 2002-45°FJan 13, 1916
Feb73°FFeb 27, 2016-45°FFeb 16, 1936
Mar81°FMar 22, 1910-36°FMar 15, 1897
Apr93°FApr 21, 1980-12°FApr 1, 1975
May102°FMay 28, 193413°FMay 3, 1907
Jun111°FJun 29, 200230°FJun 2, 1969
Jul114°FJul 6, 193632°FJul 6, 1884
Aug109°FAug 5, 194132°FAug 31, 1895
Sep105°FSep 7, 193110°FSep 30, 1876
Oct95°FOct 1, 1953-10°FOct 26, 1919
Nov79°FNov 7, 1999-30°FNov 29, 1985
Dec66°FDec 6, 1939-43°FDec 31, 1967
All-time114°FJul 6, 1936-45°FJan 13, 1916

2026 Records So Far

Records set or tied at Bismarck so far this year — through Oct 15.

Record Highs in 2026

5 broke
plus 5 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

83°F
record high minimum — the night it never cooled · Jul 11, 1936

Coldest high ever

-29°F
record low maximum — the day it never warmed · Jan 4, 1884
MonthWarmest lowColdest high
Jan35°FJan 3, 1927-29°FJan 4, 1884
Feb40°FFeb 27, 1932-26°FFeb 1, 1996
Mar49°FMar 31, 2012-8°FMar 2, 1888
Apr60°FApr 25, 189114°FApr 2, 1954
May77°FMay 30, 193431°FMay 2, 1967
Jun75°FJun 30, 192145°FJun 5, 1935
Jul83°FJul 11, 193655°FJul 25, 1918
Aug77°FAug 27, 188252°FAug 24, 1992
Sep75°FSep 3, 189735°FSep 25, 1934
Oct64°FOct 5, 201113°FOct 30, 1991
Nov48°FNov 6, 1977-9°FNov 28, 1896
Dec38°FDec 4, 1888-20°FDec 22, 1884
All-time83°FJul 11, 1936-29°FJan 4, 1884

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

18 days
record run, ended Jul 19 1936

So far in 2026

33 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Bismarck's own 1991–2020 record. Today's normal high: 58°F · forecast is +14° vs normal.
Jan: 23°FJan: 2°FFeb: 28°FFeb: 7°FMar: 41°FMar: 19°FApr: 56°FApr: 30°FMay: 68°FMay: 42°FJun: 78°FJun: 53°FJul: 85°FJul: 58°FAug: 84°FAug: 56°FSep: 73°FSep: 46°FOct: 57°FOct: 33°FNov: 41°FNov: 19°FDec: 28°FDec: 8°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise6:02 AM
Sunset4:54 PM
Solar noon11:28 AM
Daylight10h 53m · losing 22 min/wk
Local standard time (no DST), level horizon.

Location

46.78°N, 100.76°W

Nearby Stations

Mobridge, SD86 mi SAberdeen, SD145 mi SEWilliston, ND165 mi NWGrand Forks, ND185 mi EFargo, ND186 mi ESisseton, SD195 mi E

The Last 6 Weeks

Bismarck'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.
Bismarck, ND — last six weeks of daily high

2026 So Far

Every day this year against Bismarck's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Bismarck, ND — 2026 daily high trace
Download year chart

Every Day Since 1874

Each cell is one day's high at Bismarck, coloured by temperature — 153 years of record, so heat waves read as warm streaks and cold snaps as blue.
Bismarck, ND daily high heat map 1874–2026

Days Above the Mark

How many days a year hit a given high at Bismarck — counted through Oct 17 each year, so you can see whether 2026 is running hot. Pick a threshold:
33 days ≥90°F so far in 2026 — tied for the 16th most in 153 years. Normal for this point: 20. Record: 53 in 1936.

Share Card

A ready-to-share summary of Bismarck's outlook — post it, or link this page.
Bismarck, ND hot share card
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