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Pennsylvania · THREADEX · 1888–2026

Reading, PA

40.373°N, 75.959°W · station RDGthr · 139 years of record
58°F
forecast low · Sep 7

7-Day Forecast

NWS NDFD forecast low temperature for Reading.
70°WED9/270°THU9/371°FRI9/462°SAT9/559°SUN9/658°MON9/759°TUE9/8

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

#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.
1888: 48°F1889: 51°F1898: 60°F1899: 48°F1900: 71°F1901: 65°F1902: 60°F1903: 47°F1904: 50°F1905: 55°F1906: 58°F1907: 56°F1908: 59°F1909: 53°F1910: 64°F1911: 64°F1912: 71°F1913: 65°F1914: 62°F1915: 68°F1916: 70°F1917: 53°F1918: 56°F1919: 65°F1920: 64°F1921: 66°F1922: 64°F1923: 65°F1924: 46°F1925: 66°F1926: 62°F1927: 60°F1928: 54°F1929: 69°F1930: 68°F1931: 59°F1932: 61°F1933: 66°F1934: 64°F1935: 57°F1936: 58°F1937: 60°F1938: 60°F1939: 59°F1940: 52°F1941: 66°F1942: 60°F1943: 68°F1944: 64°F1945: 62°F1946: 59°F1947: 69°F1948: 62°F1949: 52°F1950: 51°F1951: 58°F1952: 55°F1953: 62°F1954: 70°F1955: 60°F1956: 68°F1957: 66°F1958: 66°F1959: 63°F1960: 62°F1961: 72°F1962: 48°F1963: 53°F1964: 58°F1965: 61°F1966: 58°F1967: 61°F1968: 67°F1969: 67°F1970: 48°F1971: 63°F1972: 47°F1973: 58°F1974: 54°F1975: 53°F1976: 45°F1977: 64°F1978: 62°F1979: 65°F1980: 66°F1981: 64°F1982: 47°F1983: 69°F1984: 44°F1985: 71°F1986: 50°F1987: 61°F1988: 44°F1989: 54°F1990: 65°F1991: 54°F1992: 63°F1993: 65°F1994: 53°F1995: 62°F1996: 69°F1997: 53°F1998: 67°F1999: 70°F2000: 47°F2001: 52°F2002: 54°F2003: 52°F2004: 56°F2005: 55°F2006: 55°F2007: 67°F2008: 70°F2009: 61°F2010: 61°F2011: 61°F2012: 65°F2013: 48°F2014: 62°F2015: 59°F2016: 61°F2017: 53°F2018: 70°F2019: 52°F2020: 58°F2021: 57°F2022: 66°F2023: 69°F2024: 60°F2025: 54°F58° forecast40455055606570751900191019201930194019501960197019801990200020102020
📖 Reading's full Climate Almanac →

The Numbers

Forecast low · Sep 758°F
Coldest this date since2025
This-date record44°F
This-date rank#45 of 130
Coldest at any time since2026
All-time record-14°F (1912)
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

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.
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 low 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 low

2026 So Far

Every day this year against Reading's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Reading, PA — 2026 daily low trace
Download year chart

Every Day Since 1888

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

Days Below the Mark

How many days a year hit a given low at Reading — counted through Sep 7 each year, so you can see whether 2026 is running cold. Pick a threshold:
63 days ≤32°F so far in 2026 — tied for the 94th most in 139 years. Normal for this point: 66. Record: 97 in 1978.

Share Card

A ready-to-share summary of Reading's outlook — post it, or link this page.
Reading, PA cold share card
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