HOTTESTSINCE.COMBrowse statesThe AlmanacYear in ReviewThe Wire
HOT10
Hottest Since
National Heat Records
Arizona · THREADEX · 1894–2026

Tucson, AZ

32.132°N, 110.956°W · station TUSthr · 133 years of record
99°F
forecast high · Sep 7

7-Day Forecast

NWS NDFD forecast high temperature for Tucson.
96°TUE9/197°WED9/295°THU9/394°FRI9/494°SAT9/597°SUN9/699°MON9/7

This Day in History

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

Ranks

#40 / 131
warmest Sep 7 in 131 yrs of record

Warmest Sep 7 ever

107°F
set in 2020

Coolest Sep 7 ever

77°F
set in 1898
Forecast high 99°F — 40th warmest Sep 7 of 131 years · record 107°F (2020) · warmest since 2024.
1894: 93°F1895: 102°F1896: 98°F1898: 77°F1899: 91°F1900: 92°F1901: 98°F1902: 99°F1903: 91°F1904: 92°F1905: 94°F1906: 96°F1907: 99°F1908: 102°F1909: 89°F1910: 100°F1911: 96°F1912: 96°F1913: 93°F1914: 95°F1915: 95°F1916: 93°F1917: 92°F1918: 101°F1919: 77°F1920: 90°F1921: 100°F1922: 96°F1923: 97°F1924: 103°F1925: 100°F1926: 86°F1927: 93°F1928: 100°F1929: 92°F1930: 93°F1931: 101°F1932: 98°F1933: 98°F1934: 101°F1935: 91°F1936: 95°F1937: 95°F1938: 94°F1939: 90°F1940: 98°F1941: 92°F1942: 97°F1943: 104°F1944: 92°F1945: 94°F1946: 100°F1947: 87°F1948: 101°F1949: 92°F1950: 89°F1951: 98°F1952: 106°F1953: 104°F1954: 100°F1955: 102°F1956: 97°F1957: 100°F1958: 99°F1959: 101°F1960: 91°F1961: 94°F1962: 93°F1963: 100°F1964: 91°F1965: 91°F1966: 99°F1967: 92°F1968: 100°F1969: 99°F1970: 87°F1971: 89°F1972: 93°F1973: 100°F1974: 94°F1975: 87°F1976: 82°F1977: 101°F1978: 94°F1979: 104°F1980: 94°F1981: 94°F1982: 95°F1983: 94°F1984: 95°F1985: 91°F1986: 97°F1987: 98°F1988: 95°F1989: 103°F1990: 101°F1991: 99°F1992: 100°F1993: 102°F1994: 103°F1995: 98°F1996: 89°F1997: 98°F1998: 99°F1999: 100°F2000: 101°F2001: 98°F2002: 89°F2003: 96°F2004: 95°F2005: 98°F2006: 80°F2007: 92°F2008: 102°F2009: 94°F2010: 94°F2011: 103°F2012: 95°F2013: 88°F2014: 94°F2015: 98°F2016: 94°F2017: 101°F2018: 98°F2019: 100°F2020: 107°F2021: 98°F2022: 101°F2023: 105°F2024: 103°F2025: 97°F99° forecast75808590951001051101900191019201930194019501960197019801990200020102020
📖 Tucson's full Climate Almanac →

The Numbers

Forecast high · Sep 799°F
Hottest this date since2024
This-date record107°F
This-date rank#40 of 131
Hottest at any time since2026
All-time record117°F (1990)
Odds to tie/break4.0% (daily)
Period of record1894–2026

Record Book

The hottest and coldest ever recorded at Tucson in each calendar month, and for the whole 1894–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan88°FJan 4, 19276°FJan 7, 1913
Feb92°FFeb 14, 195717°FFeb 7, 1899
Mar102°FMar 21, 202620°FMar 4, 1965
Apr104°FApr 20, 198927°FApr 4, 1945
May111°FMay 29, 191032°FMay 3, 1899
Jun117°FJun 26, 199043°FJun 4, 1908
Jul114°FJul 4, 198949°FJul 3, 1911
Aug112°FAug 1, 199355°FAug 20, 1917
Sep111°FSep 10, 202343°FSep 26, 1913
Oct106°FOct 4, 202426°FOct 30, 1971
Nov94°FNov 1, 192419°FNov 19, 1921
Dec85°FDec 4, 189510°FDec 14, 1901
All-time117°FJun 26, 19906°FJan 7, 1913

2026 Records So Far

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

Record Highs in 2026

10 broke
plus 5 tied — daily record highs set this year
Monthly high record this year: Mar (102°F)

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

89°F
record high minimum — the night it never cooled · Jul 22, 2006

Coldest high ever

36°F
record low maximum — the day it never warmed · Jan 6, 1913
MonthWarmest lowColdest high
Jan62°FJan 21, 200936°FJan 6, 1913
Feb63°FFeb 1, 192937°FFeb 6, 1899
Mar68°FMar 28, 202641°FMar 31, 1905
Apr71°FApr 25, 200250°FApr 12, 1912
May83°FMay 28, 200356°FMay 5, 1969
Jun87°FJun 20, 201762°FJun 2, 1899
Jul89°FJul 22, 200674°FJul 3, 1914
Aug86°FAug 2, 202673°FAug 27, 1951
Sep86°FSep 6, 202470°FSep 26, 1919
Oct79°FOct 7, 202350°FOct 30, 1961
Nov72°FNov 6, 202040°FNov 22, 1931
Dec62°FDec 1, 201738°FDec 8, 1971
All-time89°FJul 22, 200636°FJan 6, 1913

Hot Streaks

Current run

92 days
consecutive days with a high ≥ 90°F

Longest ever

127 days
record run, ended Sep 20 2024

So far in 2026

133 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Tucson's own 1991–2020 record. Today's normal high: 96°F · forecast is +2° vs normal.
Jan: 67°FJan: 40°FFeb: 70°FFeb: 42°FMar: 76°FMar: 47°FApr: 83°FApr: 53°FMay: 92°FMay: 61°FJun: 102°FJun: 70°FJul: 100°FJul: 76°FAug: 99°FAug: 74°FSep: 96°FSep: 70°FOct: 87°FOct: 58°FNov: 75°FNov: 47°FDec: 66°FDec: 40°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:59 AM
Sunset6:48 PM
Solar noon12:24 PM
Daylight12h 49m · losing 13 min/wk
Local standard time (no DST), level horizon.

Location

32.13°N, 110.96°W

Nearby Stations

Phoenix, AZ108 mi NWWinslow, AZ200 mi NFlagstaff, AZ212 mi NYuma, AZ215 mi WLake Havasu City, AZ253 mi NWEl Paso, TX269 mi E

The Last 6 Weeks

Tucson'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.
Tucson, AZ — last six weeks of daily high

2026 So Far

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

Every Day Since 1894

Each cell is one day's high at Tucson, coloured by temperature — 133 years of record, so heat waves read as warm streaks and cold snaps as blue.
Tucson, AZ daily high heat map 1894–2026

Days Above the Mark

How many days a year hit a given high at Tucson — counted through Sep 7 each year, so you can see whether 2026 is running hot. Pick a threshold:
133 days ≥90°F so far in 2026 — the 5th most in 133 years. Normal for this point: 111. Record: 141 in 1989.

Share Card

A ready-to-share summary of Tucson's outlook — post it, or link this page.
Tucson, AZ hot share card
Download card
See Tucson on coldestsince.com →