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New Hampshire · THREADEX · 1868–2026

Concord, NH

43.205°N, 71.503°W · station CONthr · 159 years of record
80°F
forecast high · Sep 4

7-Day Forecast

NWS NDFD forecast high temperature for Concord.
67°TUE9/174°WED9/272°THU9/380°FRI9/474°SAT9/574°SUN9/677°MON9/7

This Day in History

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

Ranks

#57 / 158
warmest Sep 4 in 158 yrs of record

Warmest Sep 4 ever

92°F
set in 1961

Coolest Sep 4 ever

56°F
set in 1992
Forecast high 80°F — 57th warmest Sep 4 of 158 years · record 92°F (1961) · warmest since 2025.
1868: 72°F1869: 89°F1870: 87°F1871: 84°F1872: 62°F1873: 63°F1874: 79°F1875: 88°F1876: 75°F1877: 73°F1878: 65°F1879: 67°F1880: 91°F1881: 66°F1882: 82°F1883: 68°F1884: 84°F1885: 74°F1886: 67°F1887: 73°F1888: 74°F1889: 81°F1890: 77°F1891: 78°F1892: 73°F1893: 60°F1894: 82°F1895: 84°F1896: 72°F1897: 70°F1898: 82°F1899: 72°F1900: 83°F1901: 83°F1902: 77°F1903: 83°F1904: 82°F1905: 69°F1906: 62°F1907: 62°F1908: 66°F1909: 80°F1910: 83°F1911: 72°F1912: 68°F1913: 72°F1914: 73°F1915: 85°F1916: 63°F1917: 70°F1918: 82°F1919: 73°F1920: 71°F1921: 78°F1922: 76°F1923: 81°F1924: 69°F1925: 71°F1926: 69°F1927: 77°F1928: 61°F1929: 76°F1930: 71°F1931: 76°F1932: 82°F1933: 75°F1934: 81°F1935: 61°F1936: 66°F1937: 88°F1938: 79°F1939: 83°F1940: 78°F1941: 81°F1942: 67°F1943: 66°F1944: 80°F1945: 74°F1946: 71°F1947: 84°F1948: 81°F1949: 84°F1950: 74°F1951: 75°F1952: 75°F1953: 91°F1954: 76°F1955: 81°F1956: 81°F1957: 85°F1958: 76°F1959: 84°F1960: 74°F1961: 92°F1962: 77°F1963: 71°F1964: 76°F1965: 74°F1966: 59°F1967: 76°F1968: 74°F1969: 77°F1970: 85°F1971: 88°F1972: 66°F1973: 90°F1974: 61°F1975: 77°F1976: 69°F1977: 78°F1978: 77°F1979: 81°F1980: 78°F1981: 75°F1982: 74°F1983: 86°F1984: 59°F1985: 87°F1986: 61°F1987: 72°F1988: 81°F1989: 72°F1990: 73°F1991: 81°F1992: 56°F1993: 74°F1994: 67°F1995: 83°F1996: 87°F1997: 67°F1998: 80°F1999: 89°F2000: 77°F2001: 79°F2002: 85°F2003: 66°F2004: 83°F2005: 78°F2006: 73°F2007: 75°F2008: 81°F2009: 84°F2010: 82°F2011: 89°F2012: 78°F2013: 82°F2014: 83°F2015: 78°F2016: 79°F2017: 79°F2018: 89°F2019: 78°F2020: 79°F2021: 78°F2022: 88°F2023: 89°F2024: 73°F2025: 83°F80° forecast5560657075808590951870188018901900191019201930194019501960197019801990200020102020
📖 Concord's full Climate Almanac →

The Numbers

Forecast high · Sep 480°F
Hottest this date since2025
This-date record92°F
This-date rank#57 of 158
Hottest at any time since2026
All-time record102°F (1911)
Odds to tie/break0.0% (daily)
Period of record1868–2026

Record Book

The hottest and coldest ever recorded at Concord in each calendar month, and for the whole 1868–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan72°FJan 1, 1876-35°FJan 8, 1878
Feb74°FFeb 21, 2018-37°FFeb 16, 1943
Mar89°FMar 31, 1998-20°FMar 6, 1869
Apr95°FApr 19, 19764°FApr 5, 2016
May98°FMay 22, 191121°FMay 10, 1947
Jun101°FJun 4, 191930°FJun 12, 1972
Jul102°FJul 4, 191135°FJul 7, 1965
Aug101°FAug 2, 197529°FAug 31, 1965
Sep98°FSep 2, 195320°FSep 30, 1941
Oct92°FOct 16, 187910°FOct 24, 1969
Nov80°FNov 2, 1876-17°FNov 30, 1875
Dec73°FDec 7, 1998-24°FDec 20, 1875
All-time102°FJul 4, 1911-37°FFeb 16, 1943

2026 Records So Far

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

Record Highs in 2026

0 broke
plus 1 tied — daily record highs set this year

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

78°F
record high minimum — the night it never cooled · Jul 25, 1870

Coldest high ever

-11°F
record low maximum — the day it never warmed · Dec 29, 1933
MonthWarmest lowColdest high
Jan58°FJan 1, 1876-4°FJan 13, 1914
Feb45°FFeb 20, 1981-4°FFeb 5, 1918
Mar54°FMar 12, 18715°FMar 6, 1872
Apr63°FApr 20, 201921°FApr 7, 1982
May71°FMay 28, 188037°FMay 2, 1869
Jun74°FJun 25, 187549°FJun 5, 1885
Jul78°FJul 25, 187055°FJul 1, 1882
Aug75°FAug 2, 200656°FAug 30, 1885
Sep71°FSep 1, 195946°FSep 20, 1868
Oct66°FOct 4, 189831°FOct 23, 1969
Nov62°FNov 6, 20227°FNov 30, 1875
Dec52°FDec 12, 1911-11°FDec 29, 1933
All-time78°FJul 25, 1870-11°FDec 29, 1933

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

12 days
record run, ended Jul 17 2024

So far in 2026

15 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Concord's own 1991–2020 record. Today's normal high: 78°F · forecast is +2° vs normal.
Jan: 32°FJan: 12°FFeb: 35°FFeb: 14°FMar: 44°FMar: 22°FApr: 58°FApr: 33°FMay: 69°FMay: 43°FJun: 78°FJun: 53°FJul: 83°FJul: 58°FAug: 82°FAug: 56°FSep: 74°FSep: 48°FOct: 61°FOct: 37°FNov: 48°FNov: 28°FDec: 37°FDec: 19°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:10 AM
Sunset6:21 PM
Solar noon11:46 AM
Daylight13h 12m · losing 19 min/wk
Local standard time (no DST), level horizon.

Location

43.20°N, 71.50°W

Nearby Stations

Manchester, NH19 mi SBoston, MA63 mi SEWorcester, MA67 mi SPortland, ME67 mi EMilton, MA71 mi SWestfield, MA94 mi SW

The Last 6 Weeks

Concord'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.
Concord, NH — last six weeks of daily high

2026 So Far

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

Every Day Since 1868

Each cell is one day's high at Concord, coloured by temperature — 159 years of record, so heat waves read as warm streaks and cold snaps as blue.
Concord, NH daily high heat map 1868–2026

Days Above the Mark

How many days a year hit a given high at Concord — counted through Sep 4 each year, so you can see whether 2026 is running hot. Pick a threshold:
15 days ≥90°F so far in 2026 — tied for the 37th most in 159 years. Normal for this point: 10. Record: 29 in 1955.

Share Card

A ready-to-share summary of Concord's outlook — post it, or link this page.
Concord, NH hot share card
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