43.117°N, 77.675°W · station ROCthr · 155 years of record
86°F
HOTTEST SEP 2 SINCE 2018
forecast high · Sep 2
7-Day Forecast
NWS NDFD forecast high temperature for Rochester.
This Day in History
Every year's high on each of the next 7 forecast dates at Rochester — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#43 / 153
warmest Sep 1 in 153 yrs of record
Warmest Sep 1 ever
95°F
set in 1932
Coolest Sep 1 ever
58°F
set in 1909
Forecast high 83°F — 43rd warmest Sep 1 of 153 years · record 95°F (1932) · warmest since 2018.
Ranks
#31 / 153
warmest Sep 2 in 153 yrs of record
Warmest Sep 2 ever
97°F
set in 1953
Coolest Sep 2 ever
60°F
set in 1893
Forecast high 86°F — 31st warmest Sep 2 of 153 years · record 97°F (1953) · warmest since 2018.
Ranks
#50 / 153
warmest Sep 3 in 153 yrs of record
Warmest Sep 3 ever
99°F
set in 1953
Coolest Sep 3 ever
58°F
set in 1974
Forecast high 81°F — 50th warmest Sep 3 of 153 years · record 99°F (1953) · warmest since 2025.
Ranks
#72 / 153
warmest Sep 4 in 153 yrs of record
Warmest Sep 4 ever
97°F
set in 1953
Coolest Sep 4 ever
60°F
set in 1872
Forecast high 77°F — 72nd warmest Sep 4 of 153 years · record 97°F (1953) · warmest since 2023.
Ranks
#98 / 153
warmest Sep 5 in 153 yrs of record
Warmest Sep 5 ever
96°F
set in 1881
Coolest Sep 5 ever
60°F
set in 1902
Forecast high 74°F — 98th warmest Sep 5 of 153 years · record 96°F (1881) · warmest since 2025.
Ranks
#73 / 153
warmest Sep 6 in 153 yrs of record
Warmest Sep 6 ever
98°F
set in 1881
Coolest Sep 6 ever
59°F
set in 1888
Forecast high 76°F — 73rd warmest Sep 6 of 153 years · record 98°F (1881) · warmest since 2024.
Ranks
#72 / 153
warmest Sep 7 in 153 yrs of record
Warmest Sep 7 ever
95°F
set in 1881
Coolest Sep 7 ever
58°F
set in 1873
Forecast high 76°F — 72nd warmest Sep 7 of 153 years · record 95°F (1881) · warmest since 2024.
The hottest and coldest ever recorded at Rochester in each calendar month, and for the whole 1872–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
74°FJan 25, 1950
-17°FJan 16, 1994
Feb
73°FFeb 21, 1997
-22°FFeb 9, 1934
Mar
86°FMar 29, 1905
-9°FMar 6, 2014
Apr
93°FApr 30, 1970
7°FApr 1, 1923
May
94°FMay 14, 1974
26°FMay 7, 1970
Jun
100°FJun 21, 1953
35°FJun 1, 1945
Jul
102°FJul 9, 1936
42°FJul 9, 1963
Aug
99°FAug 26, 1948
36°FAug 30, 1965
Sep
99°FSep 3, 1953
28°FSep 28, 1947
Oct
91°FOct 5, 1951
19°FOct 25, 1879
Nov
81°FNov 1, 1950
1°FNov 30, 1875
Dec
72°FDec 3, 1982
-16°FDec 20, 1942
All-time
102°FJul 9, 1936
-22°FFeb 9, 1934
2026 Records So Far
Records set or tied at Rochester so far this year — through Aug 30.
Record Highs in 2026
2 broke
plus 0 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
81°F
record high minimum — the night it never cooled · Jul 9, 1936
Coldest high ever
-4°F
record low maximum — the day it never warmed · Jan 17, 1982
Month
Warmest low
Coldest high
Jan
55°FJan 21, 1906
-4°FJan 17, 1982
Feb
54°FFeb 20, 2018
-3°FFeb 9, 1934
Mar
62°FMar 30, 1910
4°FMar 5, 1872
Apr
65°FApr 25, 1915
21°FApr 4, 1975
May
74°FMay 31, 2018
38°FMay 2, 1909
Jun
77°FJun 22, 2025
48°FJun 2, 1945
Jul
81°FJul 9, 1936
58°FJul 7, 1891
Aug
78°FAug 1, 1917
58°FAug 16, 1879
Sep
76°FSep 3, 1898
45°FSep 30, 1947
Oct
72°FOct 9, 2018
31°FOct 30, 1887
Nov
62°FNov 5, 2022
7°FNov 30, 1875
Dec
58°FDec 3, 1982
-1°FDec 29, 1933
All-time
81°FJul 9, 1936
-4°FJan 17, 1982
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
9 days
record run, ended Sep 5 1973
So far in 2026
6 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Rochester's own 1991–2020 record. Today's normal high: 78°F · forecast is +8° vs normal.
Rochester'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 Rochester's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.