42.398°N, 90.709°W · station DBQthr · 153 years of record
71°F
HOTTEST OCT 22 SINCE 2024
forecast high · Oct 22
7-Day Forecast
NWS NDFD forecast high temperature for Dubuque.
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
#114 / 152
warmest Oct 17 in 152 yrs of record
Warmest Oct 17 ever
86°F
set in 1950
Coolest Oct 17 ever
39°F
set in 1930
Forecast high 55°F — 114th warmest Oct 17 of 152 years · record 86°F (1950) · warmest since 2025.
Ranks
#67 / 152
warmest Oct 18 in 152 yrs of record
Warmest Oct 18 ever
87°F
set in 1950
Coolest Oct 18 ever
37°F
set in 1930
Forecast high 61°F — 67th warmest Oct 18 of 152 years · record 87°F (1950) · warmest since 2025.
Ranks
#59 / 152
warmest Oct 19 in 152 yrs of record
Warmest Oct 19 ever
83°F
set in 1924
Coolest Oct 19 ever
32°F
set in 1930
Forecast high 64°F — 59th warmest Oct 19 of 152 years · record 83°F (1924) · warmest since 2024.
Ranks
#43 / 152
warmest Oct 20 in 152 yrs of record
Warmest Oct 20 ever
82°F
set in 1953
Coolest Oct 20 ever
36°F
set in 2020
Forecast high 67°F — 43rd warmest Oct 20 of 152 years · record 82°F (1953) · warmest since 2025.
Ranks
#33 / 152
warmest Oct 21 in 152 yrs of record
Warmest Oct 21 ever
86°F
set in 1947
Coolest Oct 21 ever
38°F
set in 1913
Forecast high 69°F — 33rd warmest Oct 21 of 152 years · record 86°F (1947) · warmest since 2024.
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.
Ranks
#21 / 152
warmest Oct 23 in 152 yrs of record
Warmest Oct 23 ever
85°F
set in 1899
Coolest Oct 23 ever
38°F
set in 1929
Forecast high 71°F — 21st warmest Oct 23 of 152 years · record 85°F (1899) · warmest since 2022.
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.
Month
Record High
Record Low
Jan
63°FJan 1, 1897
-32°FJan 7, 1887
Feb
72°FFeb 26, 2024
-31°FFeb 9, 1875
Mar
86°FMar 29, 1895
-20°FMar 1, 1962
Apr
93°FApr 22, 1980
10°FApr 6, 1982
May
104°FMay 31, 1934
21°FMay 3, 2005
Jun
104°FJun 28, 1934
36°FJun 11, 1972
Jul
110°FJul 14, 1936
40°FJul 9, 1895
Aug
107°FAug 18, 1936
40°FAug 30, 1915
Sep
99°FSep 6, 1922
24°FSep 30, 1899
Oct
90°FOct 3, 1997
10°FOct 30, 1925
Nov
78°FNov 7, 1915
-17°FNov 26, 1977
Dec
69°FDec 15, 2021
-25°FDec 24, 1983
All-time
110°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
Month
Warmest low
Coldest high
Jan
47°FJan 1, 1897
-16°FJan 30, 2019
Feb
50°FFeb 20, 1930
-13°FFeb 9, 1899
Mar
61°FMar 26, 1907
3°FMar 2, 2014
Apr
68°FApr 17, 1896
23°FApr 3, 1954
May
75°FMay 28, 1874
36°FMay 1, 1909
Jun
82°FJun 29, 1931
48°FJun 1, 1946
Jul
81°FJul 25, 1874
60°FJul 23, 1992
Aug
80°FAug 6, 1918
56°FAug 25, 1987
Sep
79°FSep 7, 1939
43°FSep 26, 1942
Oct
72°FOct 5, 1900
25°FOct 30, 1917
Nov
64°FNov 12, 1902
4°FNov 29, 1929
Dec
56°FDec 8, 1946
-13°FDec 23, 1983
All-time
82°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.
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.
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.