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Iowa · THREADEX · 1893–2026

Cedar Rapids, IA

41.883°N, 91.725°W · station CIDthr · 134 years of record
63°F
forecast low · Sep 8

7-Day Forecast

NWS NDFD forecast low temperature for Cedar Rapids.
71°WED9/272°THU9/373°FRI9/471°SAT9/570°SUN9/666°MON9/763°TUE9/8

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

#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.
1893: 61°F1894: 67°F1895: 50°F1896: 47°F1897: 70°F1898: 54°F1899: 61°F1900: 61°F1901: 62°F1902: 58°F1903: 63°F1904: 60°F1905: 54°F1906: 65°F1907: 60°F1908: 47°F1909: 52°F1910: 61°F1911: 56°F1912: 64°F1913: 72°F1914: 52°F1915: 61°F1916: 72°F1917: 54°F1918: 52°F1919: 70°F1920: 52°F1921: 60°F1922: 77°F1923: 55°F1924: 55°F1925: 67°F1926: 63°F1927: 68°F1928: 44°F1929: 58°F1930: 58°F1931: 65°F1932: 41°F1933: 63°F1934: 44°F1935: 59°F1936: 68°F1937: 56°F1938: 64°F1939: 63°F1940: 63°F1941: 59°F1942: 66°F1943: 49°F1944: 42°F1945: 68°F1946: 67°F1947: 71°F1948: 63°F1949: 40°F1950: 49°F1951: 50°F1952: 48°F1953: 50°F1954: 46°F1955: 49°F1956: 44°F1957: 51°F1958: 52°F1959: 69°F1960: 66°F1961: 68°F1962: 61°F1963: 55°F1964: 68°F1965: 59°F1966: 47°F1967: 55°F1968: 45°F1969: 50°F1970: 54°F1971: 64°F1972: 66°F1973: 60°F1974: 57°F1975: 51°F1976: 56°F1977: 59°F1978: 65°F1979: 49°F1980: 65°F1981: 50°F1982: 54°F1983: 54°F1984: 68°F1985: 69°F1986: 38°F1987: 54°F1988: 44°F1989: 65°F1990: 63°F1991: 66°F1992: 57°F1993: 50°F1994: 55°F1995: 49°F1996: 63°F1997: 64°F1998: 48°F1999: 48°F2000: 57°F2001: 54°F2002: 62°F2003: 59°F2004: 48°F2005: 60°F2006: 55°F2007: 54°F2008: 46°F2009: 56°F2010: 45°F2011: 50°F2012: 54°F2013: 72°F2014: 51°F2015: 65°F2016: 71°F2017: 47°F2018: 57°F2019: 59°F2020: 52°F2021: 51°F2022: 54°F2023: 48°F2024: 45°F2025: 48°F63° forecast354045505560657075801900191019201930194019501960197019801990200020102020
📖 Cedar Rapids's full Climate Almanac →

The Numbers

Forecast low · Sep 863°F
Coldest this date since2025
This-date record38°F
This-date rank#93 of 133
Coldest at any time since2026
All-time record-30°F (2019)
Odds to tie/break0.0% (daily)
Period of record1893–2026

Record Book

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.
MonthRecord HighRecord Low
Jan65°FJan 31, 1989-30°FJan 31, 2019
Feb76°FFeb 22, 2017-27°FFeb 14, 1905
Mar89°FMar 21, 2026-20°FMar 1, 1962
Apr95°FApr 22, 19801°FApr 6, 1982
May104°FMay 31, 193424°FMay 7, 1925
Jun103°FJun 30, 190136°FJun 4, 1945
Jul110°FJul 6, 191142°FJul 2, 1924
Aug108°FAug 3, 193037°FAug 30, 1915
Sep105°FSep 4, 192522°FSep 30, 1899
Oct94°FOct 3, 1997-2°FOct 30, 1925
Nov79°FNov 8, 1915-11°FNov 26, 1977
Dec73°FDec 15, 2021-28°FDec 28, 1924
All-time110°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
MonthWarmest lowColdest high
Jan47°FJan 1, 1897-14°FJan 18, 1994
Feb50°FFeb 20, 2017-15°FFeb 2, 1996
Mar62°FMar 19, 19212°FMar 2, 2014
Apr68°FApr 5, 192926°FApr 3, 1975
May74°FMay 27, 191438°FMay 4, 1907
Jun78°FJun 21, 202551°FJun 2, 1969
Jul81°FJul 5, 191161°FJul 8, 1918
Aug79°FAug 22, 190157°FAug 25, 1987
Sep77°FSep 8, 192242°FSep 25, 1942
Oct70°FOct 5, 191824°FOct 28, 1925
Nov63°FNov 2, 19388°FNov 29, 1929
Dec55°FDec 2, 1982-10°FDec 24, 1983
All-time81°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.
Jan: 28°FJan: 12°FFeb: 33°FFeb: 16°FMar: 47°FMar: 27°FApr: 60°FApr: 38°FMay: 71°FMay: 50°FJun: 80°FJun: 60°FJul: 83°FJul: 63°FAug: 81°FAug: 61°FSep: 75°FSep: 52°FOct: 62°FOct: 40°FNov: 47°FNov: 28°FDec: 34°FDec: 17°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:32 AM
Sunset6:41 PM
Solar noon12:07 PM
Daylight13h 08m · losing 19 min/wk
Local standard time (no DST), level horizon.

Location

41.88°N, 91.72°W

Nearby Stations

Waterloo, IA57 mi NWDubuque, IA63 mi NEMoline, IL68 mi EBurlington, IA82 mi SEDes Moines, IA102 mi WPeoria, IL135 mi SE

The Last 6 Weeks

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.
Cedar Rapids, IA — last six weeks of daily low

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.
Cedar Rapids, IA — 2026 daily low trace
Download year chart

Every Day Since 1893

Each cell is one day's low at Cedar Rapids, coloured by temperature — 134 years of record, so heat waves read as warm streaks and cold snaps as blue.
Cedar Rapids, IA daily low heat map 1893–2026

Days Below the Mark

How many days a year hit a given low at Cedar Rapids — counted through Sep 8 each year, so you can see whether 2026 is running cold. Pick a threshold:
79 days ≤32°F so far in 2026 — tied for the 113th most in 134 years. Normal for this point: 88. Record: 105 in 1907.

Share Card

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