38.594°N, 92.157°W · station JEFthr · 133 years of record
97°F
HOTTEST SEP 1 SINCE 2011
forecast high · Sep 1
7-Day Forecast
NWS NDFD forecast high temperature for Jefferson City.
This Day in History
Every year's high on each of the next 7 forecast dates at Jefferson City — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#10 / 128
warmest Sep 1 in 128 yrs of record
Warmest Sep 1 ever
103°F
set in 1913
Coolest Sep 1 ever
62°F
set in 1935
Forecast high 97°F — 10th warmest Sep 1 of 128 years · record 103°F (1913) · warmest since 2011.
Ranks
#10 / 127
warmest Sep 2 in 127 yrs of record
Warmest Sep 2 ever
103°F
set in 1913
Coolest Sep 2 ever
66°F
set in 1935
Forecast high 97°F — 10th warmest Sep 2 of 127 years · record 103°F (1913) · warmest since 1985.
Ranks
#8 / 127
warmest Sep 3 in 127 yrs of record
Warmest Sep 3 ever
107°F
set in 1939
Coolest Sep 3 ever
66°F
set in 1974
Forecast high 97°F — 8th warmest Sep 3 of 127 years · record 107°F (1939) · warmest since 1960.
Ranks
#12 / 127
warmest Sep 4 in 127 yrs of record
Warmest Sep 4 ever
105°F
set in 1913
Coolest Sep 4 ever
67°F
set in 1951
Forecast high 96°F — 12th warmest Sep 4 of 127 years · record 105°F (1913) · warmest since 2023.
Ranks
#11 / 127
warmest Sep 5 in 127 yrs of record
Warmest Sep 5 ever
104°F
set in 1925
Coolest Sep 5 ever
67°F
set in 2008
Forecast high 96°F — 11th warmest Sep 5 of 127 years · record 104°F (1925) · warmest since 1998.
Ranks
#18 / 128
warmest Sep 6 in 128 yrs of record
Warmest Sep 6 ever
106°F
set in 1925
Coolest Sep 6 ever
64°F
set in 1905
Forecast high 94°F — 18th warmest Sep 6 of 128 years · record 106°F (1925) · warmest since 2015.
Ranks
#29 / 126
warmest Sep 7 in 126 yrs of record
Warmest Sep 7 ever
104°F
set in 1899
Coolest Sep 7 ever
68°F
set in 1993
Forecast high 92°F — 29th warmest Sep 7 of 126 years · record 104°F (1899) · warmest since 2021.
The hottest and coldest ever recorded at Jefferson City in each calendar month, and for the whole 1894–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
79°FJan 24, 1950
-23°FJan 7, 1912
Feb
89°FFeb 24, 1930
-25°FFeb 12, 1899
Mar
97°FMar 24, 1929
-16°FMar 5, 1960
Apr
96°FApr 28, 1899
13°FApr 5, 1920
May
102°FMay 30, 1934
24°FMay 2, 1961
Jun
107°FJun 28, 2012
38°FJun 1, 1972
Jul
114°FJul 12, 1901
42°FJul 14, 1967
Aug
111°FAug 9, 1934
41°FAug 21, 1950
Sep
107°FSep 3, 1939
29°FSep 30, 1899
Oct
96°FOct 7, 1939
14°FOct 7, 1987
Nov
88°FNov 1, 1915
1°FNov 30, 1929
Dec
79°FDec 11, 1949
-24°FDec 20, 1901
All-time
114°FJul 12, 1901
-25°FFeb 12, 1899
2026 Records So Far
Records set or tied at Jefferson City so far this year — through Aug 30.
Record Highs in 2026
3 broke
plus 1 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
83°F
record high minimum — the night it never cooled · Jul 25, 1934
Coldest high ever
-5°F
record low maximum — the day it never warmed · Feb 12, 1899
Month
Warmest low
Coldest high
Jan
58°FJan 4, 1955
0°FJan 17, 1977
Feb
62°FFeb 15, 1954
-5°FFeb 12, 1899
Mar
66°FMar 27, 1907
16°FMar 11, 1948
Apr
72°FApr 16, 2024
31°FApr 2, 1936
May
76°FMay 28, 2012
40°FMay 3, 2013
Jun
80°FJun 14, 2022
57°FJun 5, 1928
Jul
83°FJul 25, 1934
63°FJul 2, 1988
Aug
82°FAug 7, 1934
64°FAug 20, 1915
Sep
79°FSep 15, 1897
45°FSep 26, 1942
Oct
73°FOct 2, 2019
26°FOct 29, 1925
Nov
65°FNov 4, 2022
13°FNov 24, 1950
Dec
66°FDec 15, 2021
-1°FDec 23, 1989
All-time
83°FJul 25, 1934
-5°FFeb 12, 1899
Hot Streaks
Current run
1 days
consecutive days with a high ≥ 90°F
Longest ever
37 days
record run, ended Aug 12 1916
So far in 2026
34 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Jefferson City's own 1991–2020 record. Today's normal high: 86°F · forecast is +12° vs normal.
Jefferson City'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 Jefferson City's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's high at Jefferson City, coloured by temperature — 133 years of record, so heat waves read as warm streaks and cold snaps as blue.
Days Above the Mark
How many days a year hit a given high at Jefferson City — counted through Sep 1 each year, so you can see whether 2026 is running hot. Pick a threshold:
34 days ≥90°F so far in 2026 — tied for the 91st most in 133 years. Normal for this point: 42. Record: 92 in 1901.
Share Card
A ready-to-share summary of Jefferson City's outlook — post it, or link this page.
