40.373°N, 75.959°W · station RDGthr · 139 years of record
58°F
COLDEST SEP 7 SINCE 2025
forecast low · Sep 7
7-Day Forecast
NWS NDFD forecast low temperature for Reading.
This Day in History
Every year's low on each of the next 7 forecast dates at Reading — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#114 / 130
coldest Sep 2 in 130 yrs of record
Coldest Sep 2 ever
44°F
set in 1976
Mildest Sep 2 ever
76°F
set in 1953
Forecast low 70°F — 114th coldest Sep 2 of 130 years · record 44°F (1976) · coldest since 2025.
Ranks
#118 / 129
coldest Sep 3 in 129 yrs of record
Coldest Sep 3 ever
46°F
set in 1989
Mildest Sep 3 ever
78°F
set in 1953
Forecast low 70°F — 118th coldest Sep 3 of 129 years · record 46°F (1989) · coldest since 2025.
Ranks
#124 / 130
coldest Sep 4 in 130 yrs of record
Coldest Sep 4 ever
45°F
set in 1976
Mildest Sep 4 ever
76°F
set in 1953
Forecast low 71°F — 124th coldest Sep 4 of 130 years · record 45°F (1976) · coldest since 2025.
Ranks
#73 / 130
coldest Sep 5 in 130 yrs of record
Coldest Sep 5 ever
45°F
set in 1997
Mildest Sep 5 ever
73°F
set in 1932
Forecast low 62°F — 73rd coldest Sep 5 of 130 years · record 45°F (1997) · coldest since 2024.
Ranks
#60 / 130
coldest Sep 6 in 130 yrs of record
Coldest Sep 6 ever
44°F
set in 1902
Mildest Sep 6 ever
73°F
set in 1932
Forecast low 59°F — 60th coldest Sep 6 of 130 years · record 44°F (1902) · coldest since 2024.
Ranks
#45 / 130
coldest Sep 7 in 130 yrs of record
Coldest Sep 7 ever
44°F
set in 1984
Mildest Sep 7 ever
72°F
set in 1961
Forecast low 58°F — 45th coldest Sep 7 of 130 years · record 44°F (1984) · coldest since 2025.
Ranks
#62 / 130
coldest Sep 8 in 130 yrs of record
Coldest Sep 8 ever
41°F
set in 1888
Mildest Sep 8 ever
73°F
set in 1947
Forecast low 59°F — 62nd coldest Sep 8 of 130 years · record 41°F (1888) · coldest since 2025.
The hottest and coldest ever recorded at Reading in each calendar month, and for the whole 1888–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
77°FJan 26, 1950
-14°FJan 14, 1912
Feb
82°FFeb 21, 2018
-13°FFeb 10, 1899
Mar
89°FMar 30, 1998
-2°FMar 10, 1984
Apr
97°FApr 20, 1976
12°FApr 1, 1923
May
97°FMay 20, 1996
26°FMay 1, 1978
Jun
102°FJun 26, 1952
36°FJun 11, 1972
Jul
106°FJul 22, 2011
43°FJul 2, 1888
Aug
105°FAug 7, 1918
39°FAug 13, 1888
Sep
102°FSep 2, 1953
30°FSep 24, 1974
Oct
94°FOct 5, 1941
20°FOct 24, 1969
Nov
84°FNov 1, 1950
8°FNov 30, 1976
Dec
77°FDec 30, 1984
-6°FDec 30, 1917
All-time
106°FJul 22, 2011
-14°FJan 14, 1912
2026 Records So Far
Records set or tied at Reading so far this year — through Aug 30.
Record Highs in 2026
7 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: May (97°F)
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 · Aug 7, 1918
Coldest high ever
2°F
record low maximum — the day it never warmed · Jan 18, 1982
Month
Warmest low
Coldest high
Jan
61°FJan 15, 1995
2°FJan 18, 1982
Feb
54°FFeb 25, 1930
3°FFeb 10, 1899
Mar
66°FMar 17, 1990
12°FMar 2, 1980
Apr
68°FApr 25, 1960
32°FApr 1, 1923
May
72°FMay 28, 1939
44°FMay 5, 1917
Jun
80°FJun 26, 1952
51°FJun 2, 1907
Jul
80°FJul 22, 2011
63°FJul 13, 1990
Aug
81°FAug 7, 1918
58°FAug 26, 1940
Sep
78°FSep 3, 1953
51°FSep 29, 1928
Oct
73°FOct 8, 2017
37°FOct 30, 2002
Nov
67°FNov 6, 2022
22°FNov 30, 1929
Dec
58°FDec 22, 2013
6°FDec 29, 1917
All-time
81°FAug 7, 1918
2°FJan 18, 1982
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
89 days
record run, ended Mar 20 1978
So far in 2026
63 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Reading's own 1991–2020 record. Today's normal low: 60°F · forecast is -2° vs normal.