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Iowa · THREADEX · 1874–2026

Dubuque, IA

42.398°N, 90.709°W · station DBQthr · 153 years of record
71°F
forecast high · Oct 22

7-Day Forecast

NWS NDFD forecast high temperature for Dubuque.
55°SAT10/1761°SUN10/1864°MON10/1967°TUE10/2069°WED10/2171°THU10/2271°FRI10/23

This Day in History

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

Ranks

#21 / 152
warmest Oct 22 in 152 yrs of record

Warmest Oct 22 ever

83°F
set in 1899

Coolest Oct 22 ever

35°F
set in 1925
Forecast high 71°F — 21st warmest Oct 22 of 152 years · record 83°F (1899) · warmest since 2024.
1874: 68°F1875: 77°F1876: 56°F1877: 64°F1878: 48°F1879: 60°F1880: 51°F1881: 60°F1882: 55°F1883: 48°F1884: 68°F1885: 57°F1886: 66°F1887: 36°F1888: 42°F1889: 48°F1890: 59°F1891: 53°F1892: 64°F1893: 76°F1894: 68°F1895: 60°F1896: 50°F1897: 60°F1898: 43°F1899: 83°F1900: 66°F1901: 80°F1902: 77°F1903: 56°F1904: 51°F1905: 43°F1906: 58°F1907: 67°F1908: 69°F1909: 46°F1910: 55°F1911: 52°F1912: 57°F1913: 37°F1914: 74°F1915: 71°F1916: 46°F1917: 42°F1918: 62°F1919: 64°F1920: 80°F1921: 61°F1922: 66°F1923: 56°F1924: 51°F1925: 35°F1926: 49°F1927: 79°F1928: 63°F1929: 46°F1930: 42°F1931: 70°F1932: 65°F1933: 48°F1934: 72°F1935: 46°F1936: 46°F1937: 37°F1938: 49°F1939: 63°F1940: 64°F1941: 68°F1942: 41°F1943: 64°F1944: 59°F1945: 54°F1946: 73°F1947: 83°F1948: 56°F1949: 60°F1950: 58°F1951: 64°F1952: 51°F1953: 77°F1954: 67°F1955: 60°F1956: 75°F1957: 57°F1958: 57°F1959: 66°F1960: 52°F1961: 51°F1962: 55°F1963: 80°F1964: 54°F1965: 57°F1966: 58°F1967: 72°F1968: 68°F1969: 42°F1970: 57°F1971: 69°F1972: 48°F1973: 72°F1974: 68°F1975: 77°F1976: 41°F1977: 56°F1978: 58°F1979: 59°F1980: 57°F1981: 48°F1982: 51°F1983: 50°F1984: 55°F1985: 65°F1986: 64°F1987: 56°F1988: 51°F1989: 66°F1990: 54°F1991: 78°F1992: 54°F1993: 61°F1994: 70°F1995: 55°F1996: 52°F1997: 43°F1998: 56°F1999: 54°F2000: 71°F2001: 58°F2002: 45°F2003: 60°F2004: 61°F2005: 52°F2006: 37°F2007: 53°F2008: 52°F2009: 54°F2010: 64°F2011: 64°F2012: 67°F2013: 41°F2014: 58°F2015: 63°F2016: 53°F2017: 64°F2018: 66°F2019: 49°F2020: 53°F2021: 50°F2022: 80°F2023: 57°F2024: 79°F2025: 51°F71° forecast3540455055606570758085188018901900191019201930194019501960197019801990200020102020
📖 Dubuque's full Climate Almanac →

The Numbers

Forecast high · Oct 2271°F
Hottest this date since2024
This-date record83°F
This-date rank#21 of 152
Hottest at any time since2026
All-time record110°F (1936)
Odds to tie/break0.0% (daily)
Period of record1874–2026

Record Book

The hottest and coldest ever recorded at Dubuque in each calendar month, and for the whole 1874–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan63°FJan 1, 1897-32°FJan 7, 1887
Feb72°FFeb 26, 2024-31°FFeb 9, 1875
Mar86°FMar 29, 1895-20°FMar 1, 1962
Apr93°FApr 22, 198010°FApr 6, 1982
May104°FMay 31, 193421°FMay 3, 2005
Jun104°FJun 28, 193436°FJun 11, 1972
Jul110°FJul 14, 193640°FJul 9, 1895
Aug107°FAug 18, 193640°FAug 30, 1915
Sep99°FSep 6, 192224°FSep 30, 1899
Oct90°FOct 3, 199710°FOct 30, 1925
Nov78°FNov 7, 1915-17°FNov 26, 1977
Dec69°FDec 15, 2021-25°FDec 24, 1983
All-time110°FJul 14, 1936-32°FJan 7, 1887

2026 Records So Far

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

Record Highs in 2026

5 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

82°F
record high minimum — the night it never cooled · Jun 29, 1931

Coldest high ever

-16°F
record low maximum — the day it never warmed · Jan 30, 2019
MonthWarmest lowColdest high
Jan47°FJan 1, 1897-16°FJan 30, 2019
Feb50°FFeb 20, 1930-13°FFeb 9, 1899
Mar61°FMar 26, 19073°FMar 2, 2014
Apr68°FApr 17, 189623°FApr 3, 1954
May75°FMay 28, 187436°FMay 1, 1909
Jun82°FJun 29, 193148°FJun 1, 1946
Jul81°FJul 25, 187460°FJul 23, 1992
Aug80°FAug 6, 191856°FAug 25, 1987
Sep79°FSep 7, 193943°FSep 26, 1942
Oct72°FOct 5, 190025°FOct 30, 1917
Nov64°FNov 12, 19024°FNov 29, 1929
Dec56°FDec 8, 1946-13°FDec 23, 1983
All-time82°FJun 29, 1931-16°FJan 30, 2019

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

16 days
record run, ended Jul 27 1901

So far in 2026

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

Climate Normals

Normal high & low by month, from Dubuque's own 1991–2020 record. Today's normal high: 57°F · forecast is +14° vs normal.
Jan: 27°FJan: 11°FFeb: 31°FFeb: 15°FMar: 44°FMar: 26°FApr: 58°FApr: 37°FMay: 69°FMay: 49°FJun: 78°FJun: 59°FJul: 82°FJul: 62°FAug: 80°FAug: 60°FSep: 73°FSep: 52°FOct: 60°FOct: 40°FNov: 45°FNov: 28°FDec: 32°FDec: 17°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise6:17 AM
Sunset5:20 PM
Solar noon11:48 AM
Daylight11h 03m · losing 19 min/wk
Local standard time (no DST), level horizon.

Location

42.40°N, 90.71°W

Nearby Stations

Cedar Rapids, IA63 mi SWMoline, IL66 mi SRockford, IL83 mi EMadison, WI86 mi NEWaterloo, IA86 mi WLa Crosse, WI105 mi N

The Last 6 Weeks

Dubuque'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.
Dubuque, IA — last six weeks of daily high

2026 So Far

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

Every Day Since 1874

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

Days Above the Mark

How many days a year hit a given high at Dubuque — counted through Oct 22 each year, so you can see whether 2026 is running hot. Pick a threshold:
13 days ≥90°F so far in 2026 — tied for the 59th most in 153 years. Normal for this point: 13. Record: 42 in 1934.

Share Card

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