44.798°N, 68.819°W · station BGRthr · 102 years of record
49°F
COLDEST SEP 7 SINCE 2024
forecast low · Sep 7
7-Day Forecast
NWS NDFD forecast low temperature for Bangor.
This Day in History
Every year's low on each of the next 7 forecast dates at Bangor — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#39 / 96
coldest Sep 2 in 96 yrs of record
Coldest Sep 2 ever
40°F
set in 1991
Mildest Sep 2 ever
66°F
set in 1930
Forecast low 51°F — 39th coldest Sep 2 of 96 years · record 40°F (1991) · coldest since 2023.
Ranks
#48 / 97
coldest Sep 3 in 97 yrs of record
Coldest Sep 3 ever
37°F
set in 1926
Mildest Sep 3 ever
70°F
set in 1979
Forecast low 54°F — 48th coldest Sep 3 of 97 years · record 37°F (1926) · coldest since 2025.
Ranks
#74 / 97
coldest Sep 4 in 97 yrs of record
Coldest Sep 4 ever
36°F
set in 1938
Mildest Sep 4 ever
70°F
set in 1937
Forecast low 59°F — 74th coldest Sep 4 of 97 years · record 36°F (1938) · coldest since 2025.
Ranks
#51 / 97
coldest Sep 5 in 97 yrs of record
Coldest Sep 5 ever
34°F
set in 1946
Mildest Sep 5 ever
66°F
set in 1953
Forecast low 54°F — 51st coldest Sep 5 of 97 years · record 34°F (1946) · coldest since 2024.
Ranks
#32 / 97
coldest Sep 6 in 97 yrs of record
Coldest Sep 6 ever
34°F
set in 1942
Mildest Sep 6 ever
69°F
set in 1932
Forecast low 50°F — 32nd coldest Sep 6 of 97 years · record 34°F (1942) · coldest since 2019.
Ranks
#26 / 97
coldest Sep 7 in 97 yrs of record
Coldest Sep 7 ever
33°F
set in 1942
Mildest Sep 7 ever
68°F
set in 1999
Forecast low 49°F — 26th coldest Sep 7 of 97 years · record 33°F (1942) · coldest since 2024.
Ranks
#57 / 97
coldest Sep 8 in 97 yrs of record
Coldest Sep 8 ever
39°F
set in 1978
Mildest Sep 8 ever
69°F
set in 2023
Forecast low 52°F — 57th coldest Sep 8 of 97 years · record 39°F (1978) · coldest since 2025.
The hottest and coldest ever recorded at Bangor in each calendar month, and for the whole 1925–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
63°FJan 14, 1932
-29°FJan 22, 2005
Feb
65°FFeb 23, 2022
-32°FFeb 10, 1948
Mar
84°FMar 22, 2012
-16°FMar 2, 2001
Apr
92°FApr 27, 1990
1°FApr 23, 1928
May
96°FMay 22, 1992
23°FMay 1, 1943
Jun
98°FJun 27, 1941
29°FJun 3, 1939
Jul
99°FJul 4, 1949
37°FJul 16, 1946
Aug
104°FAug 19, 1935
29°FAug 25, 1942
Sep
99°FSep 7, 1945
20°FSep 19, 1930
Oct
92°FOct 13, 1930
11°FOct 30, 1941
Nov
75°FNov 6, 1938
-3°FNov 29, 1940
Dec
65°FDec 4, 1982
-27°FDec 16, 1943
All-time
104°FAug 19, 1935
-32°FFeb 10, 1948
2026 Records So Far
Records set or tied at Bangor so far this year — through Aug 30.
Record Highs in 2026
3 broke
plus 3 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
86°F
record high minimum — the night it never cooled · Jul 31, 1948
Coldest high ever
-6°F
record low maximum — the day it never warmed · Jan 15, 1957
Month
Warmest low
Coldest high
Jan
45°FJan 16, 1995
-6°FJan 15, 1957
Feb
43°FFeb 28, 2024
-1°FFeb 15, 1943
Mar
48°FMar 18, 1936
8°FMar 8, 2007
Apr
55°FApr 20, 1927
24°FApr 7, 1982
May
67°FMay 30, 1931
37°FMay 8, 1966
Jun
72°FJun 20, 1931
46°FJun 9, 1956
Jul
86°FJul 31, 1948
56°FJul 9, 1946
Aug
77°FAug 27, 1949
55°FAug 30, 1965
Sep
74°FSep 29, 1948
43°FSep 26, 1939
Oct
68°FOct 1, 1948
29°FOct 23, 1969
Nov
62°FNov 6, 2022
14°FNov 27, 1978
Dec
52°FDec 25, 2020
-3°FDec 19, 1942
All-time
86°FJul 31, 1948
-6°FJan 15, 1957
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
167 days
record run, ended Apr 24 1944
So far in 2026
103 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Bangor's own 1991–2020 record. Today's normal low: 51°F · forecast is -2° vs normal.