Home / United States / Iowa / Burlington Iowa · THREADEX · 1897–2026
Burlington, IA 40.773°N, 91.126°W · station BRLthr · 130 years of record
93°F
HOTTEST JUL 15 SINCE 2006
forecast high · Jul 15
NWS NDFD forecast high temperature for Burlington.
89° MON 7/13 92° TUE 7/14 93° WED 7/15 93° THU 7/16 93° FRI 7/17 92° SAT 7/18 90° SUN 7/19 This Day in History · Jul 15
Today ranks #20 / 127
warmest Jul 15 in 127 yrs of record
Hottest Jul 15 ever 111°F
set in 1936
Coolest Jul 15 ever 71°F
set in 1989
Hottest Jul 15 — Year by Year
Every year's high on Jul 15 at Burlington. The forecast line shows where today lands; the ringed bar is the hottest on record.
71 91 111 1897: 82°F 1899: 87°F 1900: 92°F 1901: 95°F 1902: 85°F 1903: 83°F 1904: 88°F 1905: 93°F 1906: 88°F 1907: 80°F 1908: 94°F 1909: 89°F 1910: 90°F 1911: 89°F 1912: 88°F 1914: 86°F 1915: 88°F 1916: 98°F 1917: 81°F 1918: 89°F 1919: 85°F 1920: 82°F 1921: 92°F 1922: 88°F 1923: 88°F 1924: 79°F 1925: 94°F 1926: 83°F 1927: 95°F 1928: 84°F 1929: 74°F 1930: 81°F 1931: 99°F 1932: 97°F 1933: 80°F 1934: 101°F 1935: 84°F 1936: 111°F 1937: 94°F 1938: 86°F 1939: 83°F 1940: 90°F 1941: 88°F 1942: 89°F 1943: 88°F 1944: 91°F 1945: 82°F 1946: 83°F 1947: 86°F 1948: 72°F 1949: 83°F 1950: 88°F 1951: 87°F 1952: 82°F 1953: 90°F 1954: 86°F 1955: 85°F 1956: 85°F 1957: 89°F 1958: 80°F 1959: 87°F 1960: 77°F 1961: 83°F 1962: 81°F 1963: 90°F 1964: 87°F 1965: 82°F 1966: 80°F 1967: 80°F 1968: 90°F 1969: 86°F 1970: 80°F 1971: 82°F 1972: 91°F 1973: 81°F 1974: 84°F 1975: 88°F 1976: 98°F 1977: 99°F 1978: 86°F 1979: 86°F 1980: 99°F 1981: 84°F 1982: 88°F 1983: 89°F 1984: 93°F 1985: 84°F 1986: 92°F 1987: 81°F 1988: 92°F 1989: 71°F 1990: 78°F 1991: 86°F 1992: 75°F 1993: 78°F 1994: 82°F 1995: 95°F 1996: 77°F 1997: 91°F 1998: 90°F 1999: 95°F 2000: 87°F 2001: 84°F 2002: 85°F 2003: 85°F 2004: 81°F 2005: 93°F 2006: 95°F 2007: 85°F 2008: 89°F 2009: 85°F 2010: 88°F 2011: 87°F 2012: 89°F 2013: 91°F 2014: 71°F 2015: 82°F 2016: 85°F 2017: 83°F 2018: 87°F 2019: 87°F 2020: 86°F 2021: 77°F 2022: 81°F 2023: 83°F 2024: 89°F 2025: 89°F 93° forecast 1897 1936 2025 Forecast high · Jul 15 93°F Hottest this date since 2006 This-date record 111°F This-date rank #20 of 127
Hottest at any time since 2025 All-time record 111°F (1936) Odds to tie/break 0.0% (daily) Period of record 1897–2026
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.
Month Record High Record Low Jan 70°F 1989 -24°F 1957 Feb 77°F 2024 -27°F 1905 Mar 88°F 1907 -13°F 1960 Apr 93°F 1930 11°F 1982 May 103°F 1934 26°F 1907 Jun 105°F 1934 39°F 1913 Jul 111°F 1936 46°F 1971 Aug 110°F 1934 41°F 1950 Sep 103°F 1899 23°F 1899 Oct 95°F 1899 10°F 1925 Nov 86°F 1899 -2°F 1898 Dec 73°F 1998 -22°F 1989 All-time 111°F 1936 -27°F 1905
Records set or tied at Burlington so far this year — through Jul 11.
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
Current run 0 days
consecutive days with a high ≥ 90°F
Longest ever 22 days
record run, ended Aug 1 1916
So far in 2026 5 days
days with a high ≥ 90°F this year
Normal high & low by month, from Burlington's own 1991–2020 record. Today's normal high: 86°F · forecast is +7° vs normal .
Jan: 33°F Jan: 16°F Feb: 38°F Feb: 21°F Mar: 51°F Mar: 31°F Apr: 63°F Apr: 42°F May: 74°F May: 53°F Jun: 83°F Jun: 63°F Jul: 86°F Jul: 66°F Aug: 84°F Aug: 64°F Sep: 78°F Sep: 56°F Oct: 65°F Oct: 44°F Nov: 50°F Nov: 32°F Dec: 38°F Dec: 22°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:44 AM Sunset 7:36 PM Solar noon 12:10 PM Daylight 14h 52m · losing 7 min/wk
Local standard time (no DST), level horizon.
Location 40.77°N, 91.13°W Burlington'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.
Every day this year against Burlington's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's high at Burlington, coloured by temperature — 130 years of record, so heat waves read as warm streaks and cold snaps as blue.
How many days a year hit a given high at Burlington — counted through Jul 15 each year, so you can see whether 2026 is running hot. Pick a threshold:
70° 75° 80° 85° 90° 95° 100° 105° 110°
5 days ≥90°F so far in 2026 — tied for the 95th most in 130 years. Normal for this point: 11 . Record: 43 in 1934.
A ready-to-share summary of Burlington's outlook — post it, or link this page.
See Burlington on coldestsince.com →