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Pennsylvania · THREADEX · 1874–2026

Pittsburgh, PA

40.485°N, 80.215°W · station PITthr · 153 years of record
59°F
forecast low · Sep 8

7-Day Forecast

NWS NDFD forecast low temperature for Pittsburgh.
71°WED9/272°THU9/370°FRI9/464°SAT9/560°SUN9/660°MON9/759°TUE9/8

This Day in History

Every year's low on each of the next 7 forecast dates at Pittsburgh — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.

Ranks

#75 / 152
coldest Sep 8 in 152 yrs of record

Coldest Sep 8 ever

37°F
set in 1986

Mildest Sep 8 ever

72°F
set in 1881
Forecast low 59°F — 75th coldest Sep 8 of 152 years · record 37°F (1986) · coldest since 2025.
1874: 62°F1875: 53°F1876: 60°F1877: 57°F1878: 64°F1879: 52°F1880: 60°F1881: 72°F1882: 62°F1883: 48°F1884: 70°F1885: 56°F1886: 64°F1887: 55°F1888: 52°F1889: 58°F1890: 70°F1891: 57°F1892: 46°F1893: 59°F1894: 72°F1895: 63°F1896: 52°F1897: 61°F1898: 53°F1899: 66°F1900: 68°F1901: 59°F1902: 59°F1903: 61°F1904: 53°F1905: 53°F1906: 57°F1907: 59°F1908: 52°F1909: 53°F1910: 62°F1911: 66°F1912: 67°F1913: 63°F1914: 50°F1915: 67°F1916: 69°F1917: 56°F1918: 59°F1919: 70°F1920: 58°F1921: 60°F1922: 68°F1923: 66°F1924: 45°F1925: 65°F1926: 58°F1927: 64°F1928: 56°F1929: 68°F1930: 59°F1931: 53°F1932: 50°F1933: 70°F1934: 64°F1935: 54°F1936: 64°F1937: 57°F1938: 55°F1939: 64°F1940: 54°F1941: 57°F1942: 65°F1943: 51°F1944: 52°F1945: 67°F1946: 64°F1947: 65°F1948: 66°F1949: 51°F1950: 61°F1951: 45°F1952: 59°F1953: 46°F1954: 60°F1955: 45°F1956: 48°F1957: 48°F1958: 50°F1959: 63°F1960: 62°F1961: 63°F1962: 48°F1963: 57°F1964: 51°F1965: 60°F1966: 45°F1967: 59°F1968: 52°F1969: 57°F1970: 59°F1971: 64°F1972: 52°F1973: 54°F1974: 60°F1975: 54°F1976: 44°F1977: 59°F1978: 66°F1979: 49°F1980: 58°F1981: 55°F1982: 58°F1983: 52°F1984: 43°F1985: 68°F1986: 37°F1987: 66°F1988: 41°F1989: 68°F1990: 60°F1991: 56°F1992: 62°F1993: 58°F1994: 52°F1995: 63°F1996: 66°F1997: 59°F1998: 49°F1999: 63°F2000: 47°F2001: 67°F2002: 58°F2003: 56°F2004: 65°F2005: 53°F2006: 54°F2007: 69°F2008: 50°F2009: 63°F2010: 56°F2011: 64°F2012: 65°F2013: 63°F2014: 53°F2015: 66°F2016: 71°F2017: 50°F2018: 56°F2019: 54°F2020: 61°F2021: 60°F2022: 60°F2023: 66°F2024: 51°F2025: 41°F59° forecast354045505560657075188018901900191019201930194019501960197019801990200020102020
📖 Pittsburgh's full Climate Almanac →

The Numbers

Forecast low · Sep 859°F
Coldest this date since2025
This-date record37°F
This-date rank#75 of 152
Coldest at any time since2026
All-time record-22°F (1994)
Odds to tie/break0.0% (daily)
Period of record1874–2026

Record Book

The hottest and coldest ever recorded at Pittsburgh in each calendar month, and for the whole 1874–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan75°FJan 22, 1906-22°FJan 19, 1994
Feb78°FFeb 20, 2018-20°FFeb 10, 1899
Mar84°FMar 25, 1929-5°FMar 6, 2015
Apr90°FApr 18, 189611°FApr 1, 1923
May95°FMay 25, 187526°FMay 2, 1963
Jun98°FJun 4, 189534°FJun 11, 1972
Jul103°FJul 10, 188142°FJul 9, 1963
Aug103°FAug 6, 191839°FAug 29, 1982
Sep102°FSep 6, 188131°FSep 19, 1959
Oct91°FOct 5, 187916°FOct 29, 1965
Nov82°FNov 3, 1961-1°FNov 30, 1958
Dec74°FDec 3, 1982-12°FDec 25, 1983
All-time103°FJul 10, 1881-22°FJan 19, 1994

2026 Records So Far

Records set or tied at Pittsburgh so far this year — through Aug 30.

Record Highs in 2026

2 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (84°F)

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

82°F
record high minimum — the night it never cooled · Jul 1, 1901

Coldest high ever

-3°F
record low maximum — the day it never warmed · Feb 9, 1899
MonthWarmest lowColdest high
Jan61°FJan 22, 1906-3°FJan 17, 1982
Feb59°FFeb 11, 1932-3°FFeb 9, 1899
Mar67°FMar 23, 190712°FMar 1, 1980
Apr69°FApr 30, 189925°FApr 18, 1875
May72°FMay 31, 189540°FMay 9, 1923
Jun78°FJun 27, 187647°FJun 1, 1910
Jul82°FJul 1, 190159°FJul 5, 1972
Aug81°FAug 6, 191861°FAug 28, 1915
Sep77°FSep 3, 189846°FSep 30, 1899
Oct75°FOct 4, 189834°FOct 26, 1962
Nov65°FNov 1, 192914°FNov 30, 1929
Dec59°FDec 8, 19660°FDec 25, 1983
All-time82°FJul 1, 1901-3°FFeb 9, 1899

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

75 days
record run, ended Feb 10 1977

So far in 2026

68 days
days with a low ≤ 32°F this year

Climate Normals

Normal low & low by month, from Pittsburgh's own 1991–2020 record. Today's normal low: 58°F · forecast is +1° vs normal.
Jan: 37°FJan: 21°FFeb: 40°FFeb: 23°FMar: 49°FMar: 30°FApr: 63°FApr: 41°FMay: 72°FMay: 51°FJun: 80°FJun: 60°FJul: 83°FJul: 64°FAug: 82°FAug: 62°FSep: 75°FSep: 55°FOct: 63°FOct: 44°FNov: 51°FNov: 34°FDec: 41°FDec: 27°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:48 AM
Sunset6:53 PM
Solar noon12:21 PM
Daylight13h 05m · losing 18 min/wk
Local standard time (no DST), level horizon.

Location

40.48°N, 80.22°W

Nearby Stations

Wheeling, WV31 mi SWYoungstown, OH58 mi NWMorgantown, WV59 mi SNew Philadelphia, OH63 mi WAkron, OH70 mi WClarksburg, WV81 mi S

The Last 6 Weeks

Pittsburgh'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.
Pittsburgh, PA — last six weeks of daily low

2026 So Far

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

Every Day Since 1874

Each cell is one day's low at Pittsburgh, coloured by temperature — 153 years of record, so heat waves read as warm streaks and cold snaps as blue.
Pittsburgh, PA daily low heat map 1874–2026

Days Below the Mark

How many days a year hit a given low at Pittsburgh — counted through Sep 8 each year, so you can see whether 2026 is running cold. Pick a threshold:
68 days ≤32°F so far in 2026 — tied for the 114th most in 153 years. Normal for this point: 73. Record: 93 in 1963.

Share Card

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