35.144°N, 111.666°W · station FLGthr · 129 years of record
59°F
HOTTEST OCT 19 SINCE 2025
forecast high · Oct 19
7-Day Forecast
NWS NDFD forecast high temperature for Flagstaff.
This Day in History
Every year's high on each of the next 7 forecast dates at Flagstaff — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#102 / 128
warmest Oct 17 in 128 yrs of record
Warmest Oct 17 ever
78°F
set in 1973
Coolest Oct 17 ever
31°F
set in 1971
Forecast high 56°F — 102nd warmest Oct 17 of 128 years · record 78°F (1973) · warmest since 2025.
Ranks
#99 / 128
warmest Oct 18 in 128 yrs of record
Warmest Oct 18 ever
78°F
set in 1921
Coolest Oct 18 ever
34°F
set in 1971
Forecast high 58°F — 99th warmest Oct 18 of 128 years · record 78°F (1921) · warmest since 2025.
Ranks
#91 / 128
warmest Oct 19 in 128 yrs of record
Warmest Oct 19 ever
78°F
set in 2023
Coolest Oct 19 ever
33°F
set in 1908
Forecast high 59°F — 91st warmest Oct 19 of 128 years · record 78°F (2023) · warmest since 2025.
Ranks
#93 / 128
warmest Oct 20 in 128 yrs of record
Warmest Oct 20 ever
78°F
set in 2023
Coolest Oct 20 ever
36°F
set in 1949
Forecast high 57°F — 93rd warmest Oct 20 of 128 years · record 78°F (2023) · warmest since 2025.
Ranks
#98 / 128
warmest Oct 21 in 128 yrs of record
Warmest Oct 21 ever
75°F
set in 1917
Coolest Oct 21 ever
32°F
set in 1920
Forecast high 56°F — 98th warmest Oct 21 of 128 years · record 75°F (1917) · warmest since 2025.
Ranks
#109 / 128
warmest Oct 22 in 128 yrs of record
Warmest Oct 22 ever
76°F
set in 2003
Coolest Oct 22 ever
32°F
set in 1906
Forecast high 51°F — 109th warmest Oct 22 of 128 years · record 76°F (2003) · warmest since 2025.
Ranks
#112 / 128
warmest Oct 23 in 128 yrs of record
Warmest Oct 23 ever
76°F
set in 2003
Coolest Oct 23 ever
40°F
set in 1908
Forecast high 50°F — 112th warmest Oct 23 of 128 years · record 76°F (2003) · warmest since 2025.
The hottest and coldest ever recorded at Flagstaff in each calendar month, and for the whole 1898–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
66°FJan 30, 1971
-30°FJan 22, 1937
Feb
71°FFeb 26, 1986
-23°FFeb 1, 1985
Mar
84°FMar 19, 2026
-16°FMar 4, 1966
Apr
80°FApr 7, 1989
-2°FApr 2, 1975
May
89°FMay 31, 2002
7°FMay 3, 1915
Jun
96°FJun 26, 1970
22°FJun 2, 1951
Jul
97°FJul 5, 1973
32°FJul 4, 1912
Aug
93°FAug 2, 1902
24°FAug 23, 1968
Sep
91°FSep 1, 1948
20°FSep 22, 1912
Oct
85°FOct 1, 1980
-2°FOct 30, 1971
Nov
74°FNov 8, 1973
-13°FNov 18, 1958
Dec
68°FDec 11, 1950
-23°FDec 8, 1978
All-time
97°FJul 5, 1973
-30°FJan 22, 1937
2026 Records So Far
Records set or tied at Flagstaff so far this year — through Oct 15.
Record Highs in 2026
13 broke
plus 3 tied — daily record highs set this year
Monthly high record this year: Mar (84°F)
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
68°F
record high minimum — the night it never cooled · Jul 2, 2002
Coldest high ever
5°F
record low maximum — the day it never warmed · Jan 12, 1963
Month
Warmest low
Coldest high
Jan
41°FJan 2, 1997
5°FJan 12, 1963
Feb
42°FFeb 24, 1904
7°FFeb 6, 1989
Mar
43°FMar 31, 2026
21°FMar 1, 1971
Apr
51°FApr 29, 1981
27°FApr 4, 1999
May
56°FMay 19, 1996
27°FMay 1, 1915
Jun
65°FJun 30, 1990
44°FJun 2, 1899
Jul
68°FJul 2, 2002
58°FJul 1, 1911
Aug
65°FAug 5, 1903
53°FAug 23, 1992
Sep
60°FSep 16, 1929
41°FSep 24, 1986
Oct
53°FOct 1, 1981
30°FOct 26, 1996
Nov
44°FNov 8, 1931
20°FNov 24, 1931
Dec
42°FDec 6, 1966
10°FDec 7, 1978
All-time
68°FJul 2, 2002
5°FJan 12, 1963
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
11 days
record run, ended Jul 1 1990
So far in 2026
7 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Flagstaff's own 1991–2020 record. Today's normal high: 63°F · forecast is -4° vs normal.
Flagstaff'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 Flagstaff's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.