39.937°N, 91.197°W · station UINthr · 126 years of record
67°F
COLDEST SEP 8 SINCE 2025
forecast low · Sep 8
7-Day Forecast
NWS NDFD forecast low temperature for Quincy.
This Day in History
Every year's low on each of the next 7 forecast dates at Quincy — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#121 / 125
coldest Sep 2 in 125 yrs of record
Coldest Sep 2 ever
45°F
set in 1946
Mildest Sep 2 ever
80°F
set in 1913
Forecast low 76°F — 121st coldest Sep 2 of 125 years · record 45°F (1946) · coldest since 2025.
Ranks
#125 / 125
coldest Sep 3 in 125 yrs of record
Coldest Sep 3 ever
45°F
set in 1952
Mildest Sep 3 ever
78°F
set in 1913
Forecast low 78°F — 125th coldest Sep 3 of 125 years · record 45°F (1952) · coldest since 2025.
Ranks
#125 / 124
coldest Sep 4 in 124 yrs of record
Coldest Sep 4 ever
41°F
set in 1902
Mildest Sep 4 ever
75°F
set in 1921
Forecast low 77°F — 125th coldest Sep 4 of 124 years · record 41°F (1902) · coldest since 2025.
Ranks
#125 / 125
coldest Sep 5 in 125 yrs of record
Coldest Sep 5 ever
45°F
set in 1950
Mildest Sep 5 ever
75°F
set in 1925
Forecast low 75°F — 125th coldest Sep 5 of 125 years · record 45°F (1950) · coldest since 2025.
Ranks
#117 / 125
coldest Sep 6 in 125 yrs of record
Coldest Sep 6 ever
43°F
set in 2011
Mildest Sep 6 ever
77°F
set in 1922
Forecast low 72°F — 117th coldest Sep 6 of 125 years · record 43°F (2011) · coldest since 2025.
Ranks
#103 / 125
coldest Sep 7 in 125 yrs of record
Coldest Sep 7 ever
42°F
set in 2025
Mildest Sep 7 ever
78°F
set in 1922
Forecast low 69°F — 103rd coldest Sep 7 of 125 years · record 42°F (2025) · coldest since 2025.
Ranks
#87 / 124
coldest Sep 8 in 124 yrs of record
Coldest Sep 8 ever
40°F
set in 1986
Mildest Sep 8 ever
79°F
set in 1922
Forecast low 67°F — 87th coldest Sep 8 of 124 years · record 40°F (1986) · coldest since 2025.
The hottest and coldest ever recorded at Quincy in each calendar month, and for the whole 1901–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
73°FJan 24, 1950
-21°FJan 10, 1982
Feb
80°FFeb 27, 2024
-29°FFeb 13, 1905
Mar
89°FMar 26, 2026
-13°FMar 5, 1960
Apr
92°FApr 10, 1930
9°FApr 2, 2018
May
103°FMay 30, 1934
26°FMay 4, 1907
Jun
105°FJun 19, 1936
39°FJun 12, 1903
Jul
114°FJul 15, 1936
47°FJul 14, 1950
Aug
111°FAug 9, 1934
42°FAug 20, 1950
Sep
105°FSep 4, 1913
26°FSep 28, 1942
Oct
96°FOct 7, 1939
10°FOct 30, 1925
Nov
84°FNov 7, 1915
-11°FNov 30, 1964
Dec
75°FDec 15, 2021
-22°FDec 22, 1989
All-time
114°FJul 15, 1936
-29°FFeb 13, 1905
2026 Records So Far
Records set or tied at Quincy so far this year — through Aug 30.
Record Highs in 2026
6 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (89°F)
Record Lows in 2026
0 broke
plus 0 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
87°F
record high minimum — the night it never cooled · Jul 21, 1934
Coldest high ever
-8°F
record low maximum — the day it never warmed · Jan 15, 1972
Month
Warmest low
Coldest high
Jan
53°FJan 7, 2008
-8°FJan 15, 1972
Feb
57°FFeb 22, 1922
-6°FFeb 2, 1905
Mar
64°FMar 23, 1907
11°FMar 4, 1960
Apr
70°FApr 22, 1925
29°FApr 1, 2018
May
80°FMay 30, 1919
43°FMay 1, 1909
Jun
82°FJun 5, 1911
56°FJun 8, 1913
Jul
87°FJul 21, 1934
64°FJul 3, 2016
Aug
87°FAug 22, 1936
60°FAug 26, 1944
Sep
80°FSep 2, 1913
50°FSep 27, 1926
Oct
72°FOct 21, 1979
29°FOct 29, 1925
Nov
66°FNov 6, 1924
9°FNov 24, 1950
Dec
59°FDec 2, 1982
-7°FDec 24, 1983
All-time
87°FJul 21, 1934
-8°FJan 15, 1972
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
85 days
record run, ended Mar 13 1978
So far in 2026
55 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Quincy's own 1991–2020 record. Today's normal low: 59°F · forecast is +8° vs normal.