35.818°N, 83.986°W · station TYSthr · 156 years of record
77°F
HOTTEST OCT 23 SINCE 2024
forecast high · Oct 23
7-Day Forecast
NWS NDFD forecast high temperature for Knoxville.
This Day in History
Every year's high on each of the next 7 forecast dates at Knoxville — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#143 / 155
warmest Oct 17 in 155 yrs of record
Warmest Oct 17 ever
85°F
set in 1881
Coolest Oct 17 ever
50°F
set in 2009
Forecast high 58°F — 143rd warmest Oct 17 of 155 years · record 85°F (1881) · warmest since 2025.
Ranks
#127 / 155
warmest Oct 18 in 155 yrs of record
Warmest Oct 18 ever
86°F
set in 1938
Coolest Oct 18 ever
47°F
set in 2022
Forecast high 64°F — 127th warmest Oct 18 of 155 years · record 86°F (1938) · warmest since 2025.
Ranks
#99 / 155
warmest Oct 19 in 155 yrs of record
Warmest Oct 19 ever
85°F
set in 1938
Coolest Oct 19 ever
46°F
set in 1989
Forecast high 67°F — 99th warmest Oct 19 of 155 years · record 85°F (1938) · warmest since 2025.
Ranks
#70 / 155
warmest Oct 20 in 155 yrs of record
Warmest Oct 20 ever
88°F
set in 2016
Coolest Oct 20 ever
43°F
set in 1989
Forecast high 71°F — 70th warmest Oct 20 of 155 years · record 88°F (2016) · warmest since 2024.
Ranks
#51 / 155
warmest Oct 21 in 155 yrs of record
Warmest Oct 21 ever
88°F
set in 2016
Coolest Oct 21 ever
49°F
set in 1913
Forecast high 74°F — 51st warmest Oct 21 of 155 years · record 88°F (2016) · warmest since 2024.
Ranks
#41 / 155
warmest Oct 22 in 155 yrs of record
Warmest Oct 22 ever
86°F
set in 1947
Coolest Oct 22 ever
49°F
set in 1890
Forecast high 75°F — 41st warmest Oct 22 of 155 years · record 86°F (1947) · warmest since 2024.
Ranks
#28 / 155
warmest Oct 23 in 155 yrs of record
Warmest Oct 23 ever
82°F
set in 1920
Coolest Oct 23 ever
43°F
set in 1937
Forecast high 77°F — 28th warmest Oct 23 of 155 years · record 82°F (1920) · warmest since 2024.
The hottest and coldest ever recorded at Knoxville in each calendar month, and for the whole 1871–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
77°FJan 25, 1950
-24°FJan 21, 1985
Feb
83°FFeb 26, 1977
-10°FFeb 14, 1899
Mar
88°FMar 25, 1929
1°FMar 3, 1980
Apr
93°FApr 24, 1925
22°FApr 1, 1987
May
96°FMay 22, 1941
32°FMay 4, 1986
Jun
105°FJun 30, 2012
42°FJun 13, 1903
Jul
105°FJul 1, 2012
49°FJul 2, 1988
Aug
102°FAug 29, 1948
49°FAug 31, 1946
Sep
103°FSep 5, 1954
35°FSep 30, 1888
Oct
96°FOct 2, 2019
24°FOct 30, 1910
Nov
85°FNov 1, 2016
5°FNov 25, 1950
Dec
80°FDec 4, 1982
-6°FDec 25, 1983
All-time
105°FJun 30, 2012
-24°FJan 21, 1985
2026 Records So Far
Records set or tied at Knoxville so far this year — through Oct 15.
Record Highs in 2026
2 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
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
80°F
record high minimum — the night it never cooled · Jul 25, 2010
Coldest high ever
6°F
record low maximum — the day it never warmed · Feb 13, 1899
Month
Warmest low
Coldest high
Jan
67°FJan 23, 1920
7°FJan 30, 1966
Feb
65°FFeb 23, 2023
6°FFeb 13, 1899
Mar
68°FMar 20, 1948
20°FMar 4, 1873
Apr
71°FApr 3, 2025
34°FApr 4, 1891
May
73°FMay 30, 1941
46°FMay 19, 1894
Jun
79°FJun 30, 1936
60°FJun 2, 1956
Jul
80°FJul 25, 2010
67°FJul 4, 1922
Aug
77°FAug 3, 1935
62°FAug 15, 1964
Sep
76°FSep 10, 1925
52°FSep 29, 1967
Oct
72°FOct 3, 1898
40°FOct 24, 1917
Nov
66°FNov 1, 1971
14°FNov 25, 1950
Dec
66°FDec 8, 1951
13°FDec 28, 1894
All-time
80°FJul 25, 2010
6°FFeb 13, 1899
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
30 days
record run, ended Jul 29 1993
So far in 2026
57 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Knoxville's own 1991–2020 record. Today's normal high: 69°F · forecast is +8° vs normal.
Knoxville'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 Knoxville's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.