40.373°N, 75.959°W · station RDGthr · 139 years of record
90°F
HOTTEST SEP 1 SINCE 2012
forecast high · Sep 1
7-Day Forecast
NWS NDFD forecast high temperature for Reading.
This Day in History
Every year's high 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 hottest on record.
Ranks
#17 / 130
warmest Sep 1 in 130 yrs of record
Warmest Sep 1 ever
98°F
set in 1953
Coolest Sep 1 ever
64°F
set in 2002
Forecast high 90°F — 17th warmest Sep 1 of 130 years · record 98°F (1953) · warmest since 2012.
Ranks
#81 / 130
warmest Sep 2 in 130 yrs of record
Warmest Sep 2 ever
102°F
set in 1953
Coolest Sep 2 ever
60°F
set in 1935
Forecast high 79°F — 81st warmest Sep 2 of 130 years · record 102°F (1953) · warmest since 2024.
Ranks
#26 / 129
warmest Sep 3 in 129 yrs of record
Warmest Sep 3 ever
100°F
set in 1953
Coolest Sep 3 ever
60°F
set in 1935
Forecast high 88°F — 26th warmest Sep 3 of 129 years · record 100°F (1953) · warmest since 2023.
Ranks
#36 / 130
warmest Sep 4 in 130 yrs of record
Warmest Sep 4 ever
97°F
set in 1980
Coolest Sep 4 ever
65°F
set in 1926
Forecast high 85°F — 36th warmest Sep 4 of 130 years · record 97°F (1980) · warmest since 2025.
Ranks
#64 / 130
warmest Sep 5 in 130 yrs of record
Warmest Sep 5 ever
94°F
set in 2008
Coolest Sep 5 ever
63°F
set in 1926
Forecast high 81°F — 64th warmest Sep 5 of 130 years · record 94°F (2008) · warmest since 2025.
Ranks
#72 / 130
warmest Sep 6 in 130 yrs of record
Warmest Sep 6 ever
95°F
set in 1943
Coolest Sep 6 ever
63°F
set in 2011
Forecast high 79°F — 72nd warmest Sep 6 of 130 years · record 95°F (1943) · warmest since 2025.
Ranks
#82 / 130
warmest Sep 7 in 130 yrs of record
Warmest Sep 7 ever
98°F
set in 2023
Coolest Sep 7 ever
60°F
set in 1928
Forecast high 78°F — 82nd warmest Sep 7 of 130 years · record 98°F (2023) · warmest since 2024.
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
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
13 days
record run, ended Jul 7 1901
So far in 2026
22 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Reading's own 1991–2020 record. Today's normal high: 82°F · forecast is +8° vs normal.
Reading'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 Reading's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.