26.179°N, 98.245°W · station MFEthr · 86 years of record
105°F
HOTTEST SEP 2 SINCE 2018
forecast high · Sep 2
7-Day Forecast
NWS NDFD forecast high temperature for McAllen.
This Day in History
Every year's high on each of the next 7 forecast dates at McAllen — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#2 / 85
warmest Sep 1 in 85 yrs of record
Warmest Sep 1 ever
106°F
set in 2018
Coolest Sep 1 ever
82°F
set in 1994
Forecast high 104°F — 2nd warmest Sep 1 of 85 years · record 106°F (2018) · warmest since 2018.
Ranks
#2 / 85
warmest Sep 2 in 85 yrs of record
Warmest Sep 2 ever
106°F
set in 2018
Coolest Sep 2 ever
83°F
set in 1990
Forecast high 105°F — 2nd warmest Sep 2 of 85 years · record 106°F (2018) · warmest since 2018.
Ranks
#3 / 85
warmest Sep 3 in 85 yrs of record
Warmest Sep 3 ever
106°F
set in 2011
Coolest Sep 3 ever
82°F
set in 1986
Forecast high 104°F — 3rd warmest Sep 3 of 85 years · record 106°F (2011) · warmest since 2023.
Ranks
#4 / 85
warmest Sep 4 in 85 yrs of record
Warmest Sep 4 ever
108°F
set in 2011
Coolest Sep 4 ever
82°F
set in 1953
Forecast high 103°F — 4th warmest Sep 4 of 85 years · record 108°F (2011) · warmest since 2025.
Ranks
#2 / 85
warmest Sep 5 in 85 yrs of record
Warmest Sep 5 ever
104°F
set in 2000
Coolest Sep 5 ever
78°F
set in 1958
Forecast high 103°F — 2nd warmest Sep 5 of 85 years · record 104°F (2000) · warmest since 2025.
Ranks
#3 / 85
warmest Sep 6 in 85 yrs of record
Warmest Sep 6 ever
107°F
set in 2000
Coolest Sep 6 ever
76°F
set in 1955
Forecast high 103°F — 3rd warmest Sep 6 of 85 years · record 107°F (2000) · warmest since 2025.
Ranks
#5 / 85
warmest Sep 7 in 85 yrs of record
Warmest Sep 7 ever
106°F
set in 2000
Coolest Sep 7 ever
82°F
set in 1991
Forecast high 102°F — 5th warmest Sep 7 of 85 years · record 106°F (2000) · warmest since 2023.
The hottest and coldest ever recorded at McAllen in each calendar month, and for the whole 1941–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
96°FJan 21, 2017
13°FJan 12, 1962
Feb
101°FFeb 27, 2009
19°FFeb 3, 1951
Mar
105°FMar 27, 1984
31°FMar 13, 1951
Apr
109°FApr 6, 2022
40°FApr 6, 1944
May
111°FMay 9, 2024
50°FMay 6, 1944
Jun
111°FJun 22, 2017
59°FJun 3, 1970
Jul
109°FJul 7, 2009
65°FJul 23, 1945
Aug
108°FAug 10, 1988
64°FAug 22, 1946
Sep
108°FSep 4, 2011
50°FSep 28, 1942
Oct
104°FOct 18, 2012
41°FOct 31, 1993
Nov
102°FNov 4, 1988
30°FNov 29, 1959
Dec
96°FDec 5, 1977
18°FDec 23, 1989
All-time
111°FJun 22, 2017
13°FJan 12, 1962
2026 Records So Far
Records set or tied at McAllen so far this year — through Aug 30.
Record Highs in 2026
11 broke
plus 5 tied — daily record highs set this year
Record Lows in 2026
1 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
88°F
record high minimum — the night it never cooled · Aug 21, 1945
Coldest high ever
29°F
record low maximum — the day it never warmed · Jan 30, 1951
Month
Warmest low
Coldest high
Jan
73°FJan 15, 2020
29°FJan 30, 1951
Feb
75°FFeb 20, 2018
35°FFeb 6, 1989
Mar
78°FMar 29, 1945
44°FMar 1, 1960
Apr
81°FApr 27, 1991
54°FApr 8, 2007
May
83°FMay 25, 2024
60°FMay 1, 1994
Jun
84°FJun 28, 1942
76°FJun 25, 1954
Jul
85°FJul 21, 2009
77°FJul 14, 1975
Aug
88°FAug 21, 1945
77°FAug 27, 1979
Sep
84°FSep 1, 2020
65°FSep 27, 1970
Oct
83°FOct 8, 2009
54°FOct 30, 1993
Nov
80°FNov 4, 2024
44°FNov 28, 1952
Dec
76°FDec 11, 2007
33°FDec 23, 1989
All-time
88°FAug 21, 1945
29°FJan 30, 1951
Hot Streaks
Current run
75 days
consecutive days with a high ≥ 90°F
Longest ever
142 days
record run, ended Oct 6 2012
So far in 2026
163 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from McAllen's own 1991–2020 record. Today's normal high: 96°F · forecast is +9° vs normal.
McAllen'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.
2026 So Far
Every day this year against McAllen's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.