30.321°N, 97.760°W · station ATTthr · 130 years of record
76°F
COLDEST SEP 4 SINCE 2025
forecast low · Sep 4
7-Day Forecast
NWS NDFD forecast low temperature for Austin.
This Day in History
Every year's low on each of the next 7 forecast dates at Austin — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#110 / 129
coldest Sep 2 in 129 yrs of record
Coldest Sep 2 ever
58°F
set in 1915
Mildest Sep 2 ever
83°F
set in 2020
Forecast low 77°F — 110th coldest Sep 2 of 129 years · record 58°F (1915) · coldest since 2025.
Ranks
#111 / 129
coldest Sep 3 in 129 yrs of record
Coldest Sep 3 ever
59°F
set in 1974
Mildest Sep 3 ever
79°F
set in 1911
Forecast low 77°F — 111th coldest Sep 3 of 129 years · record 59°F (1974) · coldest since 2025.
Ranks
#107 / 129
coldest Sep 4 in 129 yrs of record
Coldest Sep 4 ever
57°F
set in 1934
Mildest Sep 4 ever
78°F
set in 1941
Forecast low 76°F — 107th coldest Sep 4 of 129 years · record 57°F (1934) · coldest since 2025.
Ranks
#105 / 128
coldest Sep 5 in 128 yrs of record
Coldest Sep 5 ever
56°F
set in 1974
Mildest Sep 5 ever
79°F
set in 1910
Forecast low 76°F — 105th coldest Sep 5 of 128 years · record 56°F (1974) · coldest since 2025.
Ranks
#111 / 129
coldest Sep 6 in 129 yrs of record
Coldest Sep 6 ever
57°F
set in 1974
Mildest Sep 6 ever
78°F
set in 1897
Forecast low 76°F — 111th coldest Sep 6 of 129 years · record 57°F (1974) · coldest since 2025.
Ranks
#114 / 129
coldest Sep 7 in 129 yrs of record
Coldest Sep 7 ever
52°F
set in 1924
Mildest Sep 7 ever
78°F
set in 1911
Forecast low 76°F — 114th coldest Sep 7 of 129 years · record 52°F (1924) · coldest since 2025.
Ranks
#118 / 129
coldest Sep 8 in 129 yrs of record
Coldest Sep 8 ever
54°F
set in 1918
Mildest Sep 8 ever
78°F
set in 1963
Forecast low 76°F — 118th coldest Sep 8 of 129 years · record 54°F (1918) · coldest since 2025.
The hottest and coldest ever recorded at Austin in each calendar month, and for the whole 1897–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
90°FJan 30, 1971
-2°FJan 31, 1949
Feb
99°FFeb 21, 1996
-1°FFeb 12, 1899
Mar
98°FMar 28, 1971
18°FMar 3, 1943
Apr
99°FApr 2, 1939
30°FApr 1, 1926
May
104°FMay 24, 1925
40°FMay 1, 1925
Jun
109°FJun 26, 2012
51°FJun 6, 1926
Jul
110°FJul 23, 2018
57°FJul 2, 1924
Aug
112°FAug 28, 2011
58°FAug 31, 1915
Sep
112°FSep 5, 2000
41°FSep 27, 1942
Oct
101°FOct 13, 2024
30°FOct 30, 1917
Nov
93°FNov 7, 2025
20°FNov 30, 1911
Dec
90°FDec 25, 1955
4°FDec 23, 1989
All-time
112°FSep 5, 2000
-2°FJan 31, 1949
2026 Records So Far
Records set or tied at Austin so far this year — through Aug 30.
Record Highs in 2026
6 broke
plus 5 tied — daily record highs set this year
Record Lows in 2026
2 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 24, 2018
Coldest high ever
20°F
record low maximum — the day it never warmed · Feb 12, 1899
Month
Warmest low
Coldest high
Jan
70°FJan 18, 1907
20°FJan 10, 1962
Feb
72°FFeb 5, 1911
20°FFeb 12, 1899
Mar
73°FMar 19, 1898
29°FMar 1, 1922
Apr
77°FApr 28, 2026
44°FApr 9, 1928
May
80°FMay 31, 1990
52°FMay 1, 1907
Jun
82°FJun 15, 2023
66°FJun 19, 1912
Jul
84°FJul 24, 2018
73°FJul 5, 1942
Aug
83°FAug 31, 2020
73°FAug 2, 1925
Sep
83°FSep 1, 2020
61°FSep 27, 1943
Oct
79°FOct 8, 2009
41°FOct 29, 1925
Nov
75°FNov 8, 1915
36°FNov 14, 1916
Dec
71°FDec 10, 2021
22°FDec 20, 1924
All-time
84°FJul 24, 2018
20°FFeb 12, 1899
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
15 days
record run, ended Dec 25 1989
So far in 2026
10 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Austin's own 1991–2020 record. Today's normal low: 73°F · forecast is +3° vs normal.