HOTTESTSINCE.COMBrowse statesThe AlmanacYear in ReviewThe Wire
HOT10
Hottest Since
National Heat Records
Pennsylvania · THREADEX · 1888–2026

Reading, PA

40.373°N, 75.959°W · station RDGthr · 139 years of record
90°F
forecast high · Sep 1

7-Day Forecast

NWS NDFD forecast high temperature for Reading.
90°TUE9/179°WED9/288°THU9/385°FRI9/481°SAT9/579°SUN9/678°MON9/7

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.
1888: 84°F1889: 79°F1898: 96°F1899: 85°F1900: 88°F1901: 80°F1902: 91°F1903: 75°F1904: 75°F1905: 81°F1906: 76°F1907: 76°F1908: 85°F1909: 77°F1910: 73°F1911: 78°F1912: 67°F1913: 86°F1914: 89°F1915: 71°F1916: 88°F1917: 80°F1918: 79°F1919: 70°F1920: 85°F1921: 93°F1922: 77°F1923: 85°F1924: 96°F1925: 90°F1926: 80°F1927: 70°F1928: 80°F1929: 92°F1930: 84°F1931: 87°F1932: 97°F1933: 74°F1934: 74°F1935: 71°F1936: 72°F1937: 89°F1938: 78°F1939: 82°F1940: 80°F1941: 91°F1942: 83°F1943: 96°F1944: 88°F1945: 90°F1946: 81°F1947: 79°F1948: 83°F1949: 77°F1950: 88°F1951: 88°F1952: 79°F1953: 98°F1954: 76°F1955: 78°F1956: 88°F1957: 87°F1958: 77°F1959: 84°F1960: 79°F1961: 92°F1962: 92°F1963: 78°F1964: 88°F1965: 81°F1966: 90°F1967: 75°F1968: 80°F1969: 92°F1970: 79°F1971: 77°F1972: 85°F1973: 95°F1974: 83°F1975: 67°F1976: 74°F1977: 85°F1978: 83°F1979: 86°F1980: 93°F1981: 79°F1982: 81°F1983: 74°F1984: 89°F1985: 72°F1986: 77°F1987: 76°F1988: 76°F1989: 81°F1990: 82°F1991: 89°F1992: 80°F1993: 88°F1994: 79°F1995: 88°F1996: 85°F1997: 88°F1998: 87°F1999: 81°F2000: 83°F2001: 78°F2002: 64°F2003: 70°F2004: 78°F2005: 83°F2006: 64°F2007: 80°F2008: 85°F2009: 73°F2010: 98°F2011: 81°F2012: 91°F2013: 88°F2014: 88°F2015: 89°F2016: 89°F2017: 70°F2018: 77°F2019: 81°F2020: 76°F2021: 73°F2022: 88°F2023: 78°F2024: 82°F2025: 80°F90° forecast60657075808590951001900191019201930194019501960197019801990200020102020
📖 Reading's full Climate Almanac →

The Numbers

Forecast high · Sep 190°F
Hottest this date since2012
This-date record98°F
This-date rank#17 of 130
Hottest at any time since2026
All-time record106°F (2011)
Odds to tie/break0.0% (daily)
Period of record1888–2026

Record Book

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.
MonthRecord HighRecord Low
Jan77°FJan 26, 1950-14°FJan 14, 1912
Feb82°FFeb 21, 2018-13°FFeb 10, 1899
Mar89°FMar 30, 1998-2°FMar 10, 1984
Apr97°FApr 20, 197612°FApr 1, 1923
May97°FMay 20, 199626°FMay 1, 1978
Jun102°FJun 26, 195236°FJun 11, 1972
Jul106°FJul 22, 201143°FJul 2, 1888
Aug105°FAug 7, 191839°FAug 13, 1888
Sep102°FSep 2, 195330°FSep 24, 1974
Oct94°FOct 5, 194120°FOct 24, 1969
Nov84°FNov 1, 19508°FNov 30, 1976
Dec77°FDec 30, 1984-6°FDec 30, 1917
All-time106°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
MonthWarmest lowColdest high
Jan61°FJan 15, 19952°FJan 18, 1982
Feb54°FFeb 25, 19303°FFeb 10, 1899
Mar66°FMar 17, 199012°FMar 2, 1980
Apr68°FApr 25, 196032°FApr 1, 1923
May72°FMay 28, 193944°FMay 5, 1917
Jun80°FJun 26, 195251°FJun 2, 1907
Jul80°FJul 22, 201163°FJul 13, 1990
Aug81°FAug 7, 191858°FAug 26, 1940
Sep78°FSep 3, 195351°FSep 29, 1928
Oct73°FOct 8, 201737°FOct 30, 2002
Nov67°FNov 6, 202222°FNov 30, 1929
Dec58°FDec 22, 20136°FDec 29, 1917
All-time81°FAug 7, 19182°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.
Jan: 38°FJan: 23°FFeb: 42°FFeb: 24°FMar: 51°FMar: 31°FApr: 63°FApr: 41°FMay: 74°FMay: 51°FJun: 82°FJun: 61°FJul: 86°FJul: 66°FAug: 84°FAug: 64°FSep: 77°FSep: 56°FOct: 65°FOct: 45°FNov: 54°FNov: 35°FDec: 43°FDec: 28°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:31 AM
Sunset6:36 PM
Solar noon12:04 PM
Daylight13h 05m · losing 18 min/wk
Local standard time (no DST), level horizon.

Location

40.37°N, 75.96°W

Nearby Stations

Allentown, PA32 mi NEMiddletown-Harrisburg, PA44 mi WWilmington, DE51 mi SEPhiladelphia, PA51 mi SETrenton, NJ60 mi EMount Pocono, PA60 mi NE

The Last 6 Weeks

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.
Reading, PA — last six weeks of daily high

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.
Reading, PA — 2026 daily high trace
Download year chart

Every Day Since 1888

Each cell is one day's high at Reading, coloured by temperature — 139 years of record, so heat waves read as warm streaks and cold snaps as blue.
Reading, PA daily high heat map 1888–2026

Days Above the Mark

How many days a year hit a given high at Reading — counted through Sep 1 each year, so you can see whether 2026 is running hot. Pick a threshold:
22 days ≥90°F so far in 2026 — tied for the 42nd most in 139 years. Normal for this point: 18. Record: 43 in 2010.

Share Card

A ready-to-share summary of Reading's outlook — post it, or link this page.
Reading, PA hot share card
Download card
See Reading on coldestsince.com →