44.639°N, 73.463°W · station PBGthr · 82 years of record
49°F
COLDEST SEP 6 SINCE 2019
forecast low · Sep 6
7-Day Forecast
NWS NDFD forecast low temperature for Plattsburgh.
This Day in History
Every year's low on each of the next 7 forecast dates at Plattsburgh — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#52 / 75
coldest Sep 2 in 75 yrs of record
Coldest Sep 2 ever
39°F
set in 1991
Mildest Sep 2 ever
72°F
set in 1953
Forecast low 59°F — 52nd coldest Sep 2 of 75 years · record 39°F (1991) · coldest since 2023.
Ranks
#53 / 76
coldest Sep 3 in 76 yrs of record
Coldest Sep 3 ever
40°F
set in 1992
Mildest Sep 3 ever
73°F
set in 1973
Forecast low 59°F — 53rd coldest Sep 3 of 76 years · record 40°F (1992) · coldest since 2025.
Ranks
#53 / 75
coldest Sep 4 in 75 yrs of record
Coldest Sep 4 ever
39°F
set in 1994
Mildest Sep 4 ever
71°F
set in 1961
Forecast low 58°F — 53rd coldest Sep 4 of 75 years · record 39°F (1994) · coldest since 2025.
Ranks
#33 / 76
coldest Sep 5 in 76 yrs of record
Coldest Sep 5 ever
39°F
set in 1963
Mildest Sep 5 ever
73°F
set in 1971
Forecast low 54°F — 33rd coldest Sep 5 of 76 years · record 39°F (1963) · coldest since 2025.
Ranks
#22 / 76
coldest Sep 6 in 76 yrs of record
Coldest Sep 6 ever
39°F
set in 2013
Mildest Sep 6 ever
68°F
set in 1973
Forecast low 49°F — 22nd coldest Sep 6 of 76 years · record 39°F (2013) · coldest since 2019.
Ranks
#22 / 76
coldest Sep 7 in 76 yrs of record
Coldest Sep 7 ever
38°F
set in 2000
Mildest Sep 7 ever
66°F
set in 1971
Forecast low 50°F — 22nd coldest Sep 7 of 76 years · record 38°F (2000) · coldest since 2020.
Ranks
#34 / 76
coldest Sep 8 in 76 yrs of record
Coldest Sep 8 ever
40°F
set in 2000
Mildest Sep 8 ever
71°F
set in 1959
Forecast low 51°F — 34th coldest Sep 8 of 76 years · record 40°F (2000) · coldest since 2025.
The hottest and coldest ever recorded at Plattsburgh in each calendar month, and for the whole 1945–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
64°FJan 5, 1950
-34°FJan 4, 1981
Feb
65°FFeb 23, 2017
-28°FFeb 7, 1993
Mar
85°FMar 29, 1946
-21°FMar 6, 1948
Apr
93°FApr 27, 2009
8°FApr 4, 1954
May
94°FMay 9, 1979
25°FMay 7, 1966
Jun
101°FJun 23, 2025
33°FJun 1, 2009
Jul
99°FJul 28, 1949
40°FJul 15, 1960
Aug
101°FAug 5, 1955
38°FAug 28, 1957
Sep
95°FSep 5, 1959
25°FSep 29, 2000
Oct
87°FOct 7, 1963
17°FOct 20, 1972
Nov
77°FNov 1, 2024
-5°FNov 23, 2018
Dec
71°FDec 24, 2015
-21°FDec 12, 1977
All-time
101°FAug 5, 1955
-34°FJan 4, 1981
2026 Records So Far
Records set or tied at Plattsburgh so far this year — through Aug 30.
Record Highs in 2026
2 broke
plus 1 tied — daily record highs set this year
Record Lows in 2026
1 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
78°F
record high minimum — the night it never cooled · Aug 9, 2001
Coldest high ever
-10°F
record low maximum — the day it never warmed · Jan 4, 1981
Month
Warmest low
Coldest high
Jan
44°FJan 4, 1950
-10°FJan 4, 1981
Feb
45°FFeb 20, 1981
-5°FFeb 6, 1995
Mar
51°FMar 24, 1966
-1°FMar 7, 1989
Apr
65°FApr 21, 1957
24°FApr 6, 1982
May
70°FMay 24, 1964
42°FMay 2, 1953
Jun
77°FJun 28, 1991
52°FJun 11, 2000
Jul
77°FJul 20, 1991
56°FJul 1, 1988
Aug
78°FAug 9, 2001
59°FAug 30, 1985
Sep
73°FSep 5, 1971
44°FSep 30, 1992
Oct
63°FOct 10, 1949
33°FOct 29, 2000
Nov
60°FNov 3, 1990
14°FNov 22, 2018
Dec
49°FDec 6, 1951
-2°FDec 20, 1975
All-time
78°FAug 9, 2001
-10°FJan 4, 1981
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
116 days
record run, ended Mar 28 1978
So far in 2026
92 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Plattsburgh's own 1991–2020 record. Today's normal low: 52°F · forecast is -3° vs normal.
Plattsburgh'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 Plattsburgh's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.