42.193°N, 89.093°W · station RFDthr · 134 years of record
93°F
HOTTEST SEP 1 SINCE 2012
forecast high · Sep 1
7-Day Forecast
NWS NDFD forecast high temperature for Rockford.
This Day in History
Every year's high on each of the next 7 forecast dates at Rockford — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#7 / 125
warmest Sep 1 in 125 yrs of record
Warmest Sep 1 ever
102°F
set in 1953
Coolest Sep 1 ever
64°F
set in 1951
Forecast high 93°F — 7th warmest Sep 1 of 125 years · record 102°F (1953) · warmest since 2012.
Ranks
#10 / 126
warmest Sep 2 in 126 yrs of record
Warmest Sep 2 ever
101°F
set in 1953
Coolest Sep 2 ever
61°F
set in 1974
Forecast high 93°F — 10th warmest Sep 2 of 126 years · record 101°F (1953) · warmest since 2000.
Ranks
#25 / 126
warmest Sep 3 in 126 yrs of record
Warmest Sep 3 ever
100°F
set in 1913
Coolest Sep 3 ever
62°F
set in 1974
Forecast high 88°F — 25th warmest Sep 3 of 126 years · record 100°F (1913) · warmest since 2023.
Ranks
#28 / 126
warmest Sep 4 in 126 yrs of record
Warmest Sep 4 ever
101°F
set in 1925
Coolest Sep 4 ever
61°F
set in 1994
Forecast high 87°F — 28th warmest Sep 4 of 126 years · record 101°F (1925) · warmest since 2023.
Ranks
#16 / 126
warmest Sep 5 in 126 yrs of record
Warmest Sep 5 ever
100°F
set in 1925
Coolest Sep 5 ever
62°F
set in 1905
Forecast high 89°F — 16th warmest Sep 5 of 126 years · record 100°F (1925) · warmest since 2012.
Ranks
#32 / 125
warmest Sep 6 in 125 yrs of record
Warmest Sep 6 ever
102°F
set in 1922
Coolest Sep 6 ever
65°F
set in 1988
Forecast high 85°F — 32nd warmest Sep 6 of 125 years · record 102°F (1922) · warmest since 2021.
Ranks
#51 / 126
warmest Sep 7 in 126 yrs of record
Warmest Sep 7 ever
103°F
set in 1939
Coolest Sep 7 ever
63°F
set in 1956
Forecast high 81°F — 51st warmest Sep 7 of 126 years · record 103°F (1939) · warmest since 2022.
The hottest and coldest ever recorded at Rockford in each calendar month, and for the whole 1893–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
63°FJan 31, 1989
-31°FJan 31, 2019
Feb
78°FFeb 27, 2024
-25°FFeb 9, 1933
Mar
85°FMar 29, 1986
-11°FMar 1, 1962
Apr
93°FApr 10, 1930
5°FApr 7, 1982
May
106°FMay 31, 1934
24°FMay 10, 1966
Jun
106°FJun 1, 1934
35°FJun 4, 1945
Jul
112°FJul 14, 1936
43°FJul 31, 1918
Aug
104°FAug 5, 1918
35°FAug 30, 1915
Sep
103°FSep 7, 1939
24°FSep 28, 1942
Oct
91°FOct 2, 1922
7°FOct 30, 1925
Nov
81°FNov 1, 1933
-10°FNov 26, 1977
Dec
69°FDec 3, 2012
-24°FDec 24, 1983
All-time
112°FJul 14, 1936
-31°FJan 31, 2019
2026 Records So Far
Records set or tied at Rockford so far this year — through Aug 30.
Record Highs in 2026
4 broke
plus 1 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
80°F
record high minimum — the night it never cooled · Aug 6, 1918
Coldest high ever
-14°F
record low maximum — the day it never warmed · Jan 6, 1912
Month
Warmest low
Coldest high
Jan
47°FJan 1, 1897
-14°FJan 6, 1912
Feb
48°FFeb 22, 1930
-13°FFeb 2, 1996
Mar
63°FMar 30, 1998
9°FMar 2, 2014
Apr
68°FApr 5, 1929
28°FApr 24, 1910
May
74°FMay 12, 2022
36°FMay 2, 1909
Jun
78°FJun 3, 1895
50°FJun 3, 1945
Jul
80°FJul 19, 2019
62°FJul 4, 1967
Aug
80°FAug 6, 1918
59°FAug 5, 1915
Sep
78°FSep 3, 1895
41°FSep 26, 1942
Oct
70°FOct 1, 2019
25°FOct 30, 1917
Nov
61°FNov 9, 2020
11°FNov 24, 1950
Dec
58°FDec 2, 1982
-11°FDec 23, 1983
All-time
80°FAug 6, 1918
-14°FJan 6, 1912
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
21 days
record run, ended Aug 1 1916
So far in 2026
13 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Rockford's own 1991–2020 record. Today's normal high: 81°F · forecast is +12° vs normal.
Rockford'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 Rockford's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.