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New Hampshire · THREADEX · 1885–2026

Manchester, NH

42.930°N, 71.436°W · station MHTthr · 142 years of record
81°F
forecast high · Sep 4

7-Day Forecast

NWS NDFD forecast high temperature for Manchester.
66°TUE9/174°WED9/273°THU9/381°FRI9/474°SAT9/573°SUN9/676°MON9/7

This Day in History

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

Ranks

#21 / 68
warmest Sep 4 in 68 yrs of record

Warmest Sep 4 ever

93°F
set in 1953

Coolest Sep 4 ever

59°F
set in 1966
Forecast high 81°F — 21st warmest Sep 4 of 68 years · record 93°F (1953) · warmest since 2025.
1885: 76°F1886: 71°F1887: 73°F1888: 72°F1889: 85°F1890: 76°F1891: 79°F1892: 74°F1893: 63°F1930: 69°F1931: 75°F1932: 79°F1933: 73°F1934: 75°F1935: 62°F1936: 63°F1937: 83°F1938: 76°F1939: 79°F1940: 75°F1941: 76°F1942: 66°F1943: 66°F1944: 75°F1945: 68°F1946: 69°F1947: 77°F1949: 83°F1951: 76°F1952: 75°F1953: 93°F1954: 76°F1955: 81°F1966: 59°F1967: 67°F1968: 84°F1969: 74°F1970: 68°F1971: 85°F1972: 88°F1998: 82°F1999: 90°F2000: 74°F2001: 80°F2002: 86°F2003: 66°F2004: 82°F2005: 80°F2006: 73°F2007: 75°F2008: 80°F2009: 82°F2010: 82°F2011: 86°F2012: 78°F2013: 82°F2014: 84°F2015: 78°F2016: 78°F2017: 78°F2018: 90°F2019: 81°F2020: 81°F2021: 80°F2022: 90°F2023: 89°F2024: 76°F2025: 82°F81° forecast5560657075808590951890193019401970200020102020
📖 Manchester's full Climate Almanac →

The Numbers

Forecast high · Sep 481°F
Hottest this date since2025
This-date record93°F
This-date rank#21 of 68
Hottest at any time since2026
All-time record103°F (2011)
Odds to tie/break0.0% (daily)
Period of record1885–2026

Record Book

The hottest and coldest ever recorded at Manchester in each calendar month, and for the whole 1885–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan70°FJan 13, 2018-26°FJan 19, 1887
Feb77°FFeb 21, 2018-29°FFeb 16, 1943
Mar85°FMar 22, 2012-18°FMar 6, 1948
Apr94°FApr 17, 200213°FApr 4, 1954
May97°FMay 26, 201025°FMay 18, 2002
Jun102°FJun 24, 202534°FJun 2, 1888
Jul103°FJul 22, 201136°FJul 22, 1937
Aug100°FAug 10, 194940°FAug 22, 1886
Sep100°FSep 2, 195328°FSep 24, 1953
Oct88°FOct 3, 197113°FOct 28, 1887
Nov80°FNov 6, 20244°FNov 26, 1938
Dec74°FDec 7, 1998-20°FDec 28, 1933
All-time103°FJul 22, 2011-29°FFeb 16, 1943

2026 Records So Far

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

Record Highs in 2026

5 broke
plus 0 tied — daily record highs set this year
Monthly high record this year: May (97°F)

Record Lows in 2026

2 broke
plus 1 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

80°F
record high minimum — the night it never cooled · Jul 20, 2019

Coldest high ever

-4°F
record low maximum — the day it never warmed · Jan 12, 1886
MonthWarmest lowColdest high
Jan49°FJan 6, 2007-4°FJan 12, 1886
Feb42°FFeb 17, 20220°FFeb 9, 1934
Mar57°FMar 23, 20126°FMar 1, 1886
Apr62°FApr 28, 201127°FApr 4, 2016
May72°FMay 29, 202040°FMay 2, 1953
Jun78°FJun 29, 202150°FJun 5, 1945
Jul80°FJul 20, 201959°FJul 1, 1967
Aug79°FAug 2, 200657°FAug 28, 1934
Sep72°FSep 1, 201346°FSep 23, 1885
Oct68°FOct 8, 201736°FOct 29, 2000
Nov66°FNov 6, 202218°FNov 22, 2018
Dec51°FDec 6, 20110°FDec 29, 1933
All-time80°FJul 20, 2019-4°FJan 12, 1886

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

14 days
record run, ended Jul 18 2024

So far in 2026

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

Climate Normals

Normal high & low by month, from Manchester's own 1991–2020 record. Today's normal high: 79°F · forecast is +2° vs normal.
Jan: 34°FJan: 17°FFeb: 37°FFeb: 19°FMar: 46°FMar: 27°FApr: 58°FApr: 38°FMay: 70°FMay: 48°FJun: 78°FJun: 58°FJul: 84°FJul: 64°FAug: 82°FAug: 62°FSep: 75°FSep: 54°FOct: 62°FOct: 43°FNov: 50°FNov: 33°FDec: 39°FDec: 24°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:10 AM
Sunset6:21 PM
Solar noon11:45 AM
Daylight13h 11m · losing 19 min/wk
Local standard time (no DST), level horizon.

Location

42.93°N, 71.44°W

Nearby Stations

Concord, NH19 mi NBoston, MA44 mi SEWorcester, MA50 mi SWMilton, MA52 mi SEPortland, ME75 mi NEProvidence, RI83 mi S

The Last 6 Weeks

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

2026 So Far

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

Every Day Since 1885

Each cell is one day's high at Manchester, coloured by temperature — 142 years of record, so heat waves read as warm streaks and cold snaps as blue.
Manchester, NH daily high heat map 1885–2026

Days Above the Mark

How many days a year hit a given high at Manchester — 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 19th most in 142 years. Normal for this point: 6. Record: 35 in 1955.

Share Card

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