41.883°N, 91.725°W · station CIDthr · 134 years of record
92°F
HOTTEST SEP 2 SINCE 2023
forecast high · Sep 2
7-Day Forecast
NWS NDFD forecast high temperature for Cedar Rapids.
This Day in History
Every year's high 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 hottest on record.
Ranks
#14 / 133
warmest Sep 1 in 133 yrs of record
Warmest Sep 1 ever
98°F
set in 1922
Coolest Sep 1 ever
58°F
set in 1935
Forecast high 91°F — 14th warmest Sep 1 of 133 years · record 98°F (1922) · warmest since 2011.
Ranks
#12 / 133
warmest Sep 2 in 133 yrs of record
Warmest Sep 2 ever
103°F
set in 1925
Coolest Sep 2 ever
62°F
set in 1935
Forecast high 92°F — 12th warmest Sep 2 of 133 years · record 103°F (1925) · warmest since 2023.
Ranks
#16 / 133
warmest Sep 3 in 133 yrs of record
Warmest Sep 3 ever
101°F
set in 1913
Coolest Sep 3 ever
58°F
set in 1909
Forecast high 90°F — 16th warmest Sep 3 of 133 years · record 101°F (1913) · warmest since 2023.
Ranks
#20 / 133
warmest Sep 4 in 133 yrs of record
Warmest Sep 4 ever
105°F
set in 1925
Coolest Sep 4 ever
59°F
set in 1905
Forecast high 90°F — 20th warmest Sep 4 of 133 years · record 105°F (1925) · warmest since 2023.
Ranks
#18 / 133
warmest Sep 5 in 133 yrs of record
Warmest Sep 5 ever
102°F
set in 1899
Coolest Sep 5 ever
61°F
set in 2008
Forecast high 91°F — 18th warmest Sep 5 of 133 years · record 102°F (1899) · warmest since 2012.
Ranks
#31 / 133
warmest Sep 6 in 133 yrs of record
Warmest Sep 6 ever
101°F
set in 1922
Coolest Sep 6 ever
61°F
set in 1949
Forecast high 87°F — 31st warmest Sep 6 of 133 years · record 101°F (1922) · warmest since 2016.
Ranks
#32 / 132
warmest Sep 7 in 132 yrs of record
Warmest Sep 7 ever
100°F
set in 1922
Coolest Sep 7 ever
61°F
set in 1956
Forecast high 85°F — 32nd warmest Sep 7 of 132 years · record 100°F (1922) · warmest since 2022.
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
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
19 days
record run, ended Jul 27 1901
So far in 2026
10 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Cedar Rapids's own 1991–2020 record. Today's normal high: 80°F · forecast is +12° vs normal.
Cedar Rapids'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 Cedar Rapids's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.