21.324°N, 157.939°W · station HNLthr · 87 years of record
76°F
COLDEST SEP 2 SINCE 2025
forecast low · Sep 2
7-Day Forecast
NWS NDFD forecast low temperature for Honolulu.
This Day in History
Every year's low on each of the next 7 forecast dates at Honolulu — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#58 / 84
coldest Sep 2 in 84 yrs of record
Coldest Sep 2 ever
69°F
set in 1993
Mildest Sep 2 ever
79°F
set in 2019
Forecast low 76°F — 58th coldest Sep 2 of 84 years · record 69°F (1993) · coldest since 2025.
Ranks
#68 / 85
coldest Sep 3 in 85 yrs of record
Coldest Sep 3 ever
69°F
set in 1993
Mildest Sep 3 ever
80°F
set in 1994
Forecast low 77°F — 68th coldest Sep 3 of 85 years · record 69°F (1993) · coldest since 2025.
Ranks
#58 / 84
coldest Sep 4 in 84 yrs of record
Coldest Sep 4 ever
69°F
set in 1955
Mildest Sep 4 ever
80°F
set in 2019
Forecast low 76°F — 58th coldest Sep 4 of 84 years · record 69°F (1955) · coldest since 2025.
Ranks
#63 / 85
coldest Sep 5 in 85 yrs of record
Coldest Sep 5 ever
69°F
set in 1955
Mildest Sep 5 ever
82°F
set in 2019
Forecast low 76°F — 63rd coldest Sep 5 of 85 years · record 69°F (1955) · coldest since 2025.
Ranks
#73 / 85
coldest Sep 6 in 85 yrs of record
Coldest Sep 6 ever
68°F
set in 1982
Mildest Sep 6 ever
80°F
set in 1987
Forecast low 77°F — 73rd coldest Sep 6 of 85 years · record 68°F (1982) · coldest since 2025.
Ranks
#73 / 85
coldest Sep 7 in 85 yrs of record
Coldest Sep 7 ever
68°F
set in 1955
Mildest Sep 7 ever
80°F
set in 2019
Forecast low 77°F — 73rd coldest Sep 7 of 85 years · record 68°F (1955) · coldest since 2025.
Ranks
#75 / 85
coldest Sep 8 in 85 yrs of record
Coldest Sep 8 ever
68°F
set in 1955
Mildest Sep 8 ever
80°F
set in 2019
Forecast low 77°F — 75th coldest Sep 8 of 85 years · record 68°F (1955) · coldest since 2025.
The hottest and coldest ever recorded at Honolulu in each calendar month, and for the whole 1940–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
88°FJan 21, 1996
52°FJan 20, 1969
Feb
88°FFeb 11, 1984
53°FFeb 1, 1976
Mar
89°FMar 17, 1960
55°FMar 17, 1955
Apr
91°FApr 28, 1996
56°FApr 22, 1958
May
93°FMay 31, 1988
60°FMay 20, 1985
Jun
92°FJun 1, 1945
65°FJun 6, 1955
Jul
94°FJul 15, 1995
66°FJul 23, 1955
Aug
95°FAug 31, 2019
65°FAug 19, 2009
Sep
95°FSep 19, 1994
64°FSep 22, 2019
Oct
94°FOct 6, 1984
61°FOct 27, 1993
Nov
93°FNov 6, 1986
57°FNov 25, 1990
Dec
89°FDec 13, 1977
54°FDec 20, 1962
All-time
95°FSep 19, 1994
52°FJan 20, 1969
2026 Records So Far
Records set or tied at Honolulu so far this year — through Aug 30.
Record Highs in 2026
1 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
82°F
record high minimum — the night it never cooled · Sep 5, 2019
Coldest high ever
68°F
record low maximum — the day it never warmed · Jan 13, 1979
Month
Warmest low
Coldest high
Jan
76°FJan 14, 1974
68°FJan 13, 1979
Feb
77°FFeb 6, 1996
70°FFeb 14, 1955
Mar
76°FMar 15, 2023
69°FMar 5, 1954
Apr
77°FApr 4, 2018
72°FApr 7, 1989
May
78°FMay 22, 2004
73°FMay 7, 1981
Jun
79°FJun 19, 2019
79°FJun 14, 1956
Jul
80°FJul 31, 2018
78°FJul 28, 1954
Aug
81°FAug 22, 2015
78°FAug 24, 1957
Sep
82°FSep 5, 2019
79°FSep 17, 1963
Oct
79°FOct 21, 1983
74°FOct 31, 1978
Nov
79°FNov 4, 2017
70°FNov 17, 1956
Dec
78°FDec 4, 1966
69°FDec 5, 2021
All-time
82°FSep 5, 2019
68°FJan 13, 1979
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
0 days
record run, ended —
So far in 2026
0 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Honolulu's own 1991–2020 record. Today's normal low: 75°F · forecast is +1° vs normal.
Honolulu's observed daily low 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 Honolulu's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.