41.883°N, 91.725°W · station CIDthr · 134 years of record
63°F
COLDEST SEP 8 SINCE 2025
forecast low · Sep 8
7-Day Forecast
NWS NDFD forecast low temperature for Cedar Rapids.
This Day in History
Every year's low on each of the next 7 forecast dates at Cedar Rapids — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#129 / 133
coldest Sep 2 in 133 yrs of record
Coldest Sep 2 ever
41°F
set in 1946
Mildest Sep 2 ever
74°F
set in 1898
Forecast low 71°F — 129th coldest Sep 2 of 133 years · record 41°F (1946) · coldest since 2025.
Ranks
#132 / 133
coldest Sep 3 in 133 yrs of record
Coldest Sep 3 ever
37°F
set in 1974
Mildest Sep 3 ever
75°F
set in 1898
Forecast low 72°F — 132nd coldest Sep 3 of 133 years · record 37°F (1974) · coldest since 2025.
Ranks
#134 / 133
coldest Sep 4 in 133 yrs of record
Coldest Sep 4 ever
38°F
set in 1974
Mildest Sep 4 ever
71°F
set in 1944
Forecast low 73°F — 134th coldest Sep 4 of 133 years · record 38°F (1974) · coldest since 2025.
Ranks
#130 / 133
coldest Sep 5 in 133 yrs of record
Coldest Sep 5 ever
39°F
set in 1928
Mildest Sep 5 ever
76°F
set in 1899
Forecast low 71°F — 130th coldest Sep 5 of 133 years · record 39°F (1928) · coldest since 2025.
Ranks
#128 / 132
coldest Sep 6 in 132 yrs of record
Coldest Sep 6 ever
40°F
set in 1950
Mildest Sep 6 ever
75°F
set in 1922
Forecast low 70°F — 128th coldest Sep 6 of 132 years · record 40°F (1950) · coldest since 2025.
Ranks
#115 / 133
coldest Sep 7 in 133 yrs of record
Coldest Sep 7 ever
38°F
set in 1986
Mildest Sep 7 ever
75°F
set in 1922
Forecast low 66°F — 115th coldest Sep 7 of 133 years · record 38°F (1986) · coldest since 2025.
Ranks
#93 / 133
coldest Sep 8 in 133 yrs of record
Coldest Sep 8 ever
38°F
set in 1986
Mildest Sep 8 ever
77°F
set in 1922
Forecast low 63°F — 93rd coldest Sep 8 of 133 years · record 38°F (1986) · coldest since 2025.
The hottest and coldest ever recorded at Cedar Rapids in each calendar month, and for the whole 1893–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
65°FJan 31, 1989
-30°FJan 31, 2019
Feb
76°FFeb 22, 2017
-27°FFeb 14, 1905
Mar
89°FMar 21, 2026
-20°FMar 1, 1962
Apr
95°FApr 22, 1980
1°FApr 6, 1982
May
104°FMay 31, 1934
24°FMay 7, 1925
Jun
103°FJun 30, 1901
36°FJun 4, 1945
Jul
110°FJul 6, 1911
42°FJul 2, 1924
Aug
108°FAug 3, 1930
37°FAug 30, 1915
Sep
105°FSep 4, 1925
22°FSep 30, 1899
Oct
94°FOct 3, 1997
-2°FOct 30, 1925
Nov
79°FNov 8, 1915
-11°FNov 26, 1977
Dec
73°FDec 15, 2021
-28°FDec 28, 1924
All-time
110°FJul 6, 1911
-30°FJan 31, 2019
2026 Records So Far
Records set or tied at Cedar Rapids so far this year — through Aug 30.
Record Highs in 2026
4 broke
plus 0 tied — daily record highs set this year
Monthly high record this year: Mar (89°F)
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
81°F
record high minimum — the night it never cooled · Jul 5, 1911
Coldest high ever
-15°F
record low maximum — the day it never warmed · Feb 2, 1996
Month
Warmest low
Coldest high
Jan
47°FJan 1, 1897
-14°FJan 18, 1994
Feb
50°FFeb 20, 2017
-15°FFeb 2, 1996
Mar
62°FMar 19, 1921
2°FMar 2, 2014
Apr
68°FApr 5, 1929
26°FApr 3, 1975
May
74°FMay 27, 1914
38°FMay 4, 1907
Jun
78°FJun 21, 2025
51°FJun 2, 1969
Jul
81°FJul 5, 1911
61°FJul 8, 1918
Aug
79°FAug 22, 1901
57°FAug 25, 1987
Sep
77°FSep 8, 1922
42°FSep 25, 1942
Oct
70°FOct 5, 1918
24°FOct 28, 1925
Nov
63°FNov 2, 1938
8°FNov 29, 1929
Dec
55°FDec 2, 1982
-10°FDec 24, 1983
All-time
81°FJul 5, 1911
-15°FFeb 2, 1996
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
135 days
record run, ended Mar 21 2001
So far in 2026
79 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Cedar Rapids's own 1991–2020 record. Today's normal low: 55°F · forecast is +8° vs normal.
Cedar Rapids'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.
2026 So Far
Every day this year against Cedar Rapids's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.