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Iowa · THREADEX · 1897–2026

Burlington, IA

40.773°N, 91.126°W · station BRLthr · 130 years of record
65°F
forecast low · Sep 8

7-Day Forecast

NWS NDFD forecast low temperature for Burlington.
74°WED9/275°THU9/374°FRI9/473°SAT9/570°SUN9/668°MON9/765°TUE9/8

This Day in History

Every year's low on each of the next 7 forecast dates at Burlington — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.

Ranks

#89 / 126
coldest Sep 8 in 126 yrs of record

Coldest Sep 8 ever

42°F
set in 1956

Mildest Sep 8 ever

75°F
set in 1922
Forecast low 65°F — 89th coldest Sep 8 of 126 years · record 42°F (1956) · coldest since 2025.
1899: 59°F1901: 60°F1902: 55°F1903: 67°F1904: 54°F1905: 59°F1906: 63°F1907: 62°F1908: 51°F1909: 63°F1910: 67°F1911: 58°F1912: 68°F1913: 71°F1914: 54°F1915: 65°F1916: 65°F1917: 56°F1918: 53°F1919: 68°F1920: 52°F1921: 60°F1922: 75°F1923: 55°F1924: 57°F1925: 69°F1926: 67°F1927: 70°F1928: 53°F1929: 61°F1930: 63°F1931: 73°F1932: 49°F1933: 69°F1934: 51°F1935: 59°F1936: 75°F1937: 60°F1938: 69°F1939: 69°F1940: 68°F1941: 67°F1942: 66°F1943: 46°F1944: 44°F1945: 60°F1946: 67°F1947: 70°F1948: 64°F1949: 43°F1950: 55°F1951: 52°F1952: 57°F1953: 51°F1954: 50°F1955: 52°F1956: 42°F1957: 50°F1958: 52°F1959: 70°F1960: 71°F1961: 68°F1962: 61°F1963: 62°F1964: 69°F1965: 65°F1966: 53°F1967: 57°F1968: 52°F1969: 55°F1970: 58°F1971: 68°F1972: 66°F1973: 60°F1974: 58°F1975: 57°F1976: 58°F1977: 62°F1978: 65°F1979: 49°F1980: 63°F1981: 52°F1982: 57°F1983: 62°F1984: 70°F1985: 71°F1986: 43°F1987: 61°F1988: 49°F1989: 66°F1990: 65°F1991: 69°F1992: 63°F1993: 60°F1994: 58°F1995: 53°F1996: 66°F1997: 63°F1998: 56°F1999: 60°F2000: 61°F2001: 63°F2002: 64°F2003: 56°F2004: 53°F2005: 61°F2006: 57°F2007: 62°F2008: 54°F2009: 60°F2010: 50°F2011: 51°F2012: 57°F2013: 74°F2014: 51°F2015: 67°F2016: 71°F2017: 49°F2018: 60°F2019: 61°F2020: 61°F2021: 57°F2022: 56°F2023: 53°F2024: 45°F2025: 47°F65° forecast4045505560657075191019201930194019501960197019801990200020102020
📖 Burlington's full Climate Almanac →

The Numbers

Forecast low · Sep 865°F
Coldest this date since2025
This-date record42°F
This-date rank#89 of 126
Coldest at any time since2026
All-time record-27°F (1905)
Odds to tie/break0.0% (daily)
Period of record1897–2026

Record Book

The hottest and coldest ever recorded at Burlington in each calendar month, and for the whole 1897–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan70°FJan 31, 1989-24°FJan 14, 1957
Feb77°FFeb 27, 2024-27°FFeb 13, 1905
Mar88°FMar 22, 1907-13°FMar 5, 1960
Apr93°FApr 10, 193011°FApr 6, 1982
May103°FMay 31, 193426°FMay 4, 1907
Jun105°FJun 27, 193439°FJun 8, 1913
Jul111°FJul 14, 193646°FJul 30, 1971
Aug110°FAug 8, 193441°FAug 20, 1950
Sep103°FSep 5, 189923°FSep 30, 1899
Oct95°FOct 13, 189910°FOct 30, 1925
Nov86°FNov 17, 1899-2°FNov 26, 1898
Dec73°FDec 4, 1998-22°FDec 23, 1989
All-time111°FJul 14, 1936-27°FFeb 13, 1905

2026 Records So Far

Records set or tied at Burlington so far this year — through Aug 30.

Record Highs in 2026

4 broke
plus 2 tied — daily record highs set this year

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

84°F
record high minimum — the night it never cooled · Jul 27, 1936

Coldest high ever

-10°F
record low maximum — the day it never warmed · Dec 24, 1983
MonthWarmest lowColdest high
Jan51°FJan 21, 1921-9°FJan 18, 1994
Feb53°FFeb 22, 1922-10°FFeb 3, 1996
Mar65°FMar 20, 19216°FMar 2, 2014
Apr67°FApr 18, 200228°FApr 1, 2018
May74°FMay 27, 190039°FMay 5, 1944
Jun80°FJun 29, 193450°FJun 3, 1945
Jul84°FJul 27, 193664°FJul 6, 1909
Aug81°FAug 4, 193058°FAug 26, 1944
Sep76°FSep 6, 192545°FSep 25, 1942
Oct74°FOct 15, 189730°FOct 29, 1925
Nov63°FNov 12, 190210°FNov 24, 1950
Dec60°FDec 3, 1998-10°FDec 24, 1983
All-time84°FJul 27, 1936-10°FDec 24, 1983

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

93 days
record run, ended Mar 10 1917

So far in 2026

65 days
days with a low ≤ 32°F this year

Climate Normals

Normal low & low by month, from Burlington's own 1991–2020 record. Today's normal low: 59°F · forecast is +6° vs normal.
Jan: 33°FJan: 16°FFeb: 38°FFeb: 21°FMar: 51°FMar: 31°FApr: 63°FApr: 42°FMay: 74°FMay: 53°FJun: 83°FJun: 63°FJul: 86°FJul: 66°FAug: 84°FAug: 64°FSep: 78°FSep: 56°FOct: 65°FOct: 44°FNov: 50°FNov: 32°FDec: 38°FDec: 22°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:31 AM
Sunset6:37 PM
Solar noon12:04 PM
Daylight13h 06m · losing 18 min/wk
Local standard time (no DST), level horizon.

Location

40.77°N, 91.13°W

Nearby Stations

Moline, IL56 mi NEQuincy, IL57 mi SPeoria, IL75 mi ECedar Rapids, IA82 mi NWSpringfield, IL99 mi SEDubuque, IA114 mi N

The Last 6 Weeks

Burlington'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.
Burlington, IA — last six weeks of daily low

2026 So Far

Every day this year against Burlington's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Burlington, IA — 2026 daily low trace
Download year chart

Every Day Since 1897

Each cell is one day's low at Burlington, coloured by temperature — 130 years of record, so heat waves read as warm streaks and cold snaps as blue.
Burlington, IA daily low heat map 1897–2026

Days Below the Mark

How many days a year hit a given low at Burlington — counted through Sep 8 each year, so you can see whether 2026 is running cold. Pick a threshold:
65 days ≤32°F so far in 2026 — tied for the 117th most in 130 years. Normal for this point: 77. Record: 96 in 1956.

Share Card

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