Texas · THREADEX · 1889–2026

Houston, TX

29.984°N, 95.361°W · station IAHthr · 138 years of record
96°F
forecast high · Jul 18

7-Day Forecast

NWS NDFD forecast high temperature for Houston.
88°MON7/1384°TUE7/1490°WED7/1593°THU7/1695°FRI7/1796°SAT7/1896°SUN7/19

This Day in History · Jul 18

Today ranks

#25 / 137
warmest Jul 18 in 137 yrs of record

Hottest Jul 18 ever

104°F
set in 1980

Coolest Jul 18 ever

78°F
set in 1952

Hottest Jul 18 — Year by Year

Every year's high on Jul 18 at Houston. The forecast line shows where today lands; the ringed bar is the hottest on record.
78911041889: 96°F1890: 95°F1891: 95°F1892: 86°F1893: 91°F1894: 84°F1895: 96°F1896: 93°F1897: 93°F1898: 88°F1899: 89°F1900: 90°F1901: 97°F1902: 98°F1903: 95°F1904: 84°F1905: 95°F1906: 85°F1907: 88°F1908: 97°F1909: 91°F1910: 93°F1911: 86°F1912: 92°F1913: 94°F1914: 96°F1915: 97°F1916: 93°F1917: 89°F1918: 98°F1919: 90°F1920: 91°F1921: 94°F1922: 92°F1923: 93°F1924: 94°F1925: 94°F1926: 90°F1927: 96°F1928: 93°F1929: 93°F1930: 93°F1931: 85°F1932: 102°F1933: 92°F1934: 100°F1935: 86°F1936: 93°F1937: 93°F1938: 93°F1939: 92°F1940: 92°F1941: 94°F1942: 91°F1943: 94°F1944: 100°F1945: 93°F1946: 94°F1947: 95°F1948: 89°F1949: 90°F1950: 90°F1951: 99°F1952: 78°F1953: 93°F1954: 95°F1955: 90°F1956: 98°F1957: 95°F1958: 94°F1959: 92°F1960: 92°F1961: 95°F1962: 95°F1963: 94°F1964: 90°F1965: 94°F1966: 94°F1967: 86°F1968: 93°F1969: 96°F1970: 93°F1971: 96°F1972: 83°F1973: 94°F1974: 93°F1975: 92°F1976: 91°F1977: 93°F1978: 100°F1979: 88°F1980: 104°F1981: 95°F1982: 94°F1983: 88°F1984: 97°F1985: 90°F1986: 93°F1987: 93°F1988: 99°F1989: 95°F1990: 89°F1991: 95°F1992: 92°F1993: 95°F1994: 97°F1995: 97°F1996: 92°F1997: 94°F1998: 97°F1999: 92°F2000: 99°F2001: 92°F2002: 93°F2003: 92°F2004: 96°F2005: 90°F2006: 92°F2007: 89°F2008: 98°F2009: 98°F2010: 91°F2011: 94°F2012: 92°F2013: 93°F2014: 87°F2015: 97°F2016: 96°F2017: 92°F2018: 97°F2019: 96°F2020: 92°F2021: 95°F2022: 100°F2023: 100°F2024: 94°F2025: 94°F96° forecast188919802025

The Numbers

Forecast high · Jul 1896°F
Hottest this date since2023
This-date record104°F
This-date rank#25 of 137
Hottest at any time since2026
All-time record109°F (2000)
Odds to tie/break0.0% (daily)
Period of record1889–2026

Record Book

The hottest and coldest ever recorded at Houston in each calendar month, and for the whole 1889–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan85°F20225°F1930
Feb91°F19866°F1899
Mar96°F194621°F1943
Apr95°F198731°F1973
May99°F199642°F2013
Jun107°F201352°F1970
Jul105°F195462°F1972
Aug109°F201157°F1891
Sep109°F200045°F1942
Oct99°F190029°F1993
Nov89°F192119°F1976
Dec85°F19957°F1989
All-time109°F20005°F1930

2026 Records So Far

Records set or tied at Houston so far this year — through Jul 11.

Record Highs in 2026

5 broke
plus 3 tied — daily record highs set this year

Record Lows in 2026

0 broke
plus 0 tied — daily record lows set this year

Hot Streaks

Current run

21 days
consecutive days with a high ≥ 90°F

Longest ever

81 days
record run, ended Aug 31 1890

So far in 2026

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

Climate Normals

Normal high & low by month, from Houston's own 1991–2020 record. Today's normal high: 94°F · forecast is +2° vs normal.
Jan: 64°FJan: 43°FFeb: 68°FFeb: 47°FMar: 74°FMar: 53°FApr: 80°FApr: 60°FMay: 87°FMay: 68°FJun: 92°FJun: 73°FJul: 94°FJul: 75°FAug: 95°FAug: 75°FSep: 90°FSep: 70°FOct: 82°FOct: 61°FNov: 72°FNov: 51°FDec: 65°FDec: 45°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:29 AM
Sunset7:25 PM
Solar noon12:27 PM
Daylight13h 55m · losing 5 min/wk
Local standard time (no DST), level horizon.

Location

29.98°N, 95.36°W

Nearby Stations

Galveston, TX57 mi SECollege Station, TX73 mi NWBeaumont-Port Arthur, TX79 mi EVictoria, TX122 mi SWLake Charles, LA127 mi EAustin-Bergstrom Airport, TX139 mi W

The Last 6 Weeks

Houston'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.
Houston, TX — last six weeks of daily high

2026 So Far

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

Every Day Since 1889

Each cell is one day's high at Houston, coloured by temperature — 138 years of record, so heat waves read as warm streaks and cold snaps as blue.
Houston, TX daily high heat map 1889–2026

Days Above the Mark

How many days a year hit a given high at Houston — counted through Jul 18 each year, so you can see whether 2026 is running hot. Pick a threshold:
42 days ≥90°F so far in 2026 — tied for the 36th most in 138 years. Normal for this point: 37. Record: 64 in 2011.

Share Card

A ready-to-share summary of Houston's outlook — post it, or link this page.
Houston, TX hot share card
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part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13T13:58:11Z
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