Home / United States / North Dakota / Bismarck North Dakota · THREADEX · 1874–2026
Bismarck, ND 46.782°N, 100.757°W · station BISthr · 153 years of record
66°F
COLDEST JUL 18 SINCE 2025
forecast low · Jul 18
NWS NDFD forecast low temperature for Bismarck.
73° TUE 7/14 71° WED 7/15 72° THU 7/16 69° FRI 7/17 66° SAT 7/18 66° SUN 7/19 This Day in History · Jul 18
Today ranks #130 / 151
coldest Jul 18 in 151 yrs of record
Coldest Jul 18 ever 42°F
set in 1984
Mildest Jul 18 ever 77°F
set in 1936
Coldest Jul 18 — Year by Year
Every year's low on Jul 18 at Bismarck. The forecast line shows where today lands; the ringed bar is the coldest on record.
42 60 77 1875: 54°F 1876: 55°F 1877: 51°F 1878: 70°F 1879: 62°F 1880: 54°F 1881: 66°F 1882: 52°F 1883: 46°F 1884: 56°F 1885: 53°F 1886: 65°F 1887: 60°F 1888: 53°F 1889: 62°F 1890: 57°F 1891: 51°F 1892: 63°F 1893: 55°F 1894: 67°F 1895: 49°F 1896: 58°F 1897: 58°F 1898: 64°F 1899: 59°F 1900: 61°F 1901: 64°F 1902: 55°F 1903: 52°F 1904: 47°F 1905: 51°F 1906: 57°F 1907: 57°F 1908: 58°F 1909: 67°F 1910: 61°F 1911: 52°F 1912: 50°F 1913: 55°F 1914: 57°F 1915: 52°F 1916: 66°F 1917: 64°F 1918: 60°F 1919: 54°F 1920: 66°F 1921: 57°F 1922: 47°F 1923: 66°F 1924: 49°F 1925: 60°F 1926: 68°F 1927: 58°F 1928: 57°F 1929: 51°F 1930: 65°F 1931: 64°F 1932: 72°F 1933: 66°F 1934: 72°F 1935: 65°F 1936: 77°F 1937: 57°F 1938: 63°F 1939: 61°F 1940: 66°F 1941: 56°F 1942: 56°F 1943: 60°F 1944: 55°F 1945: 68°F 1946: 62°F 1947: 49°F 1948: 56°F 1949: 55°F 1950: 55°F 1951: 56°F 1952: 62°F 1953: 56°F 1954: 62°F 1955: 63°F 1956: 57°F 1957: 64°F 1958: 50°F 1959: 56°F 1960: 65°F 1961: 55°F 1962: 58°F 1963: 55°F 1964: 60°F 1965: 62°F 1966: 54°F 1967: 59°F 1968: 58°F 1969: 64°F 1970: 58°F 1971: 52°F 1972: 51°F 1973: 48°F 1974: 64°F 1975: 61°F 1976: 45°F 1977: 63°F 1978: 59°F 1979: 53°F 1980: 54°F 1981: 57°F 1982: 46°F 1983: 60°F 1984: 42°F 1985: 59°F 1986: 58°F 1987: 61°F 1988: 47°F 1989: 60°F 1990: 56°F 1991: 57°F 1992: 52°F 1993: 57°F 1994: 61°F 1995: 51°F 1996: 62°F 1997: 67°F 1998: 67°F 1999: 61°F 2000: 52°F 2001: 66°F 2002: 65°F 2003: 60°F 2004: 59°F 2005: 57°F 2006: 62°F 2007: 67°F 2008: 59°F 2009: 47°F 2010: 53°F 2011: 71°F 2012: 64°F 2013: 67°F 2014: 60°F 2015: 53°F 2016: 59°F 2017: 60°F 2018: 65°F 2019: 61°F 2020: 63°F 2021: 71°F 2022: 71°F 2023: 58°F 2024: 53°F 2025: 59°F 66° forecast 1875 1984 2025 Forecast low · Jul 18 66°F Coldest this date since 2025 This-date record 42°F This-date rank #130 of 151
Coldest at any time since 2026 All-time record -45°F (1916) Odds to tie/break 0.0% (daily) Period of record 1874–2026
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.
Month Record High Record Low Jan 63°F 2002 -45°F 1916 Feb 73°F 2016 -45°F 1936 Mar 81°F 1910 -36°F 1897 Apr 93°F 1980 -12°F 1975 May 102°F 1934 13°F 1907 Jun 111°F 2002 30°F 1969 Jul 114°F 1936 32°F 1884 Aug 109°F 1941 32°F 1895 Sep 105°F 1931 10°F 1876 Oct 95°F 1953 -10°F 1919 Nov 79°F 1999 -30°F 1985 Dec 66°F 1939 -43°F 1967 All-time 114°F 1936 -45°F 1916
Records set or tied at Bismarck so far this year — through Jul 11.
Record Highs in 2026 2 broke
plus 3 tied — daily record highs set this year
Record Lows in 2026 0 broke
plus 1 tied — daily record lows set this year
Current run 0 days
consecutive days with a low ≤ 32°F
Longest ever 177 days
record run, ended Apr 20 1875
So far in 2026 115 days
days with a low ≤ 32°F this year
Normal low & low by month, from Bismarck's own 1991–2020 record. Today's normal low: 59°F · forecast is +7° vs normal .
Jan: 23°F Jan: 2°F Feb: 28°F Feb: 7°F Mar: 41°F Mar: 19°F Apr: 56°F Apr: 30°F May: 68°F May: 42°F Jun: 78°F Jun: 53°F Jul: 85°F Jul: 58°F Aug: 84°F Aug: 56°F Sep: 73°F Sep: 46°F Oct: 57°F Oct: 33°F Nov: 41°F Nov: 19°F Dec: 28°F Dec: 8°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:02 AM Sunset 7:35 PM Solar noon 11:49 AM Daylight 15h 33m · losing 10 min/wk
Local standard time (no DST), level horizon.
Location 46.78°N, 100.76°W Bismarck'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.
Every day this year against Bismarck'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 Bismarck, coloured by temperature — 153 years of record, so heat waves read as warm streaks and cold snaps as blue.
How many days a year hit a given low at Bismarck — counted through Jul 18 each year, so you can see whether 2026 is running cold. Pick a threshold:
40° 32° 20° 10° 0° -10° -20°
115 days ≤32°F so far in 2026 — tied for the 26th most in 153 years. Normal for this point: 108 . Record: 135 in 1907.
A ready-to-share summary of Bismarck's outlook — post it, or link this page.
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