44.798°N, 68.819°W · station BGRthr · 102 years of record
78°F
HOTTEST SEP 1 SINCE 2025
forecast high · Sep 1
7-Day Forecast
NWS NDFD forecast high temperature for Bangor.
This Day in History
Every year's high 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 hottest on record.
Ranks
#29 / 97
warmest Sep 1 in 97 yrs of record
Warmest Sep 1 ever
95°F
set in 1937
Coolest Sep 1 ever
57°F
set in 1956
Forecast high 78°F — 29th warmest Sep 1 of 97 years · record 95°F (1937) · warmest since 2025.
Ranks
#38 / 96
warmest Sep 2 in 96 yrs of record
Warmest Sep 2 ever
94°F
set in 2010
Coolest Sep 2 ever
56°F
set in 1967
Forecast high 76°F — 38th warmest Sep 2 of 96 years · record 94°F (2010) · warmest since 2025.
Ranks
#89 / 97
warmest Sep 3 in 97 yrs of record
Warmest Sep 3 ever
94°F
set in 1937
Coolest Sep 3 ever
56°F
set in 1967
Forecast high 65°F — 89th warmest Sep 3 of 97 years · record 94°F (1937) · warmest since 2025.
Ranks
#52 / 97
warmest Sep 4 in 97 yrs of record
Warmest Sep 4 ever
93°F
set in 1937
Coolest Sep 4 ever
58°F
set in 1974
Forecast high 75°F — 52nd warmest Sep 4 of 97 years · record 93°F (1937) · warmest since 2025.
Ranks
#66 / 97
warmest Sep 5 in 97 yrs of record
Warmest Sep 5 ever
92°F
set in 1983
Coolest Sep 5 ever
57°F
set in 1994
Forecast high 71°F — 66th warmest Sep 5 of 97 years · record 92°F (1983) · warmest since 2025.
Ranks
#40 / 97
warmest Sep 6 in 97 yrs of record
Warmest Sep 6 ever
91°F
set in 1948
Coolest Sep 6 ever
56°F
set in 1962
Forecast high 74°F — 40th warmest Sep 6 of 97 years · record 91°F (1948) · warmest since 2025.
Ranks
#30 / 97
warmest Sep 7 in 97 yrs of record
Warmest Sep 7 ever
99°F
set in 1945
Coolest Sep 7 ever
56°F
set in 1978
Forecast high 76°F — 30th warmest Sep 7 of 97 years · record 99°F (1945) · warmest since 2023.
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
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
8 days
record run, ended Sep 4 1937
So far in 2026
4 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Bangor's own 1991–2020 record. Today's normal high: 77°F · forecast is +1° vs normal.