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Iowa · THREADEX · 1893–2026

Cedar Rapids, IA

41.883°N, 91.725°W · station CIDthr · 134 years of record
92°F
forecast high · Sep 2

7-Day Forecast

NWS NDFD forecast high temperature for Cedar Rapids.
91°TUE9/192°WED9/290°THU9/390°FRI9/491°SAT9/587°SUN9/685°MON9/7

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

#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.
1893: 73°F1894: 88°F1895: 80°F1896: 80°F1897: 90°F1898: 95°F1899: 97°F1900: 86°F1901: 84°F1902: 78°F1903: 80°F1904: 84°F1905: 92°F1906: 85°F1907: 88°F1908: 89°F1909: 65°F1910: 74°F1911: 92°F1912: 98°F1913: 102°F1914: 81°F1915: 81°F1916: 82°F1917: 76°F1918: 76°F1919: 84°F1920: 77°F1921: 81°F1922: 87°F1923: 80°F1924: 67°F1925: 103°F1926: 85°F1927: 90°F1928: 83°F1929: 94°F1930: 81°F1931: 82°F1932: 80°F1933: 90°F1934: 77°F1935: 62°F1936: 73°F1937: 94°F1938: 76°F1939: 87°F1940: 79°F1941: 71°F1942: 81°F1943: 83°F1944: 82°F1945: 78°F1946: 71°F1947: 92°F1948: 75°F1949: 80°F1950: 80°F1951: 65°F1952: 77°F1953: 96°F1954: 89°F1955: 78°F1956: 73°F1957: 81°F1958: 83°F1959: 74°F1960: 92°F1961: 93°F1962: 80°F1963: 84°F1964: 82°F1965: 79°F1966: 84°F1967: 72°F1968: 74°F1969: 78°F1970: 83°F1971: 93°F1972: 75°F1973: 82°F1974: 65°F1975: 87°F1976: 75°F1977: 74°F1978: 86°F1979: 87°F1980: 80°F1981: 72°F1982: 75°F1983: 89°F1984: 97°F1985: 87°F1986: 80°F1987: 72°F1988: 80°F1989: 75°F1990: 75°F1991: 86°F1992: 70°F1993: 78°F1994: 72°F1995: 82°F1996: 84°F1997: 81°F1998: 74°F1999: 92°F2000: 90°F2001: 80°F2002: 87°F2003: 79°F2004: 84°F2005: 84°F2006: 76°F2007: 84°F2008: 85°F2009: 71°F2010: 81°F2011: 90°F2012: 80°F2013: 76°F2014: 79°F2015: 83°F2016: 77°F2017: 78°F2018: 85°F2019: 81°F2020: 73°F2021: 75°F2022: 88°F2023: 92°F2024: 77°F2025: 79°F92° forecast60657075808590951001051900191019201930194019501960197019801990200020102020
📖 Cedar Rapids's full Climate Almanac →

The Numbers

Forecast high · Sep 292°F
Hottest this date since2023
This-date record103°F
This-date rank#12 of 133
Hottest at any time since2026
All-time record110°F (1911)
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

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.
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 high 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 high

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

Every Day Since 1893

Each cell is one day's high 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 high heat map 1893–2026

Days Above the Mark

How many days a year hit a given high at Cedar Rapids — counted through Sep 2 each year, so you can see whether 2026 is running hot. Pick a threshold:
10 days ≥90°F so far in 2026 — tied for the 100th most in 134 years. Normal for this point: 20. Record: 54 in 1921.

Share Card

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