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Louisiana · THREADEX · 1946–2026

New Orleans, LA

29.998°N, 90.278°W · station MSYthr · 81 years of record
76°F
forecast low · Sep 4

7-Day Forecast

NWS NDFD forecast low temperature for New Orleans.
77°WED9/277°THU9/376°FRI9/476°SAT9/576°SUN9/677°MON9/777°TUE9/8

This Day in History

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

Ranks

#58 / 80
coldest Sep 4 in 80 yrs of record

Coldest Sep 4 ever

63°F
set in 1965

Mildest Sep 4 ever

81°F
set in 2016
Forecast low 76°F — 58th coldest Sep 4 of 80 years · record 63°F (1965) · coldest since 2025.
1946: 70°F1947: 77°F1948: 69°F1949: 73°F1950: 73°F1951: 73°F1952: 71°F1953: 75°F1954: 67°F1955: 72°F1956: 72°F1957: 72°F1958: 72°F1959: 71°F1960: 72°F1961: 73°F1962: 71°F1963: 70°F1964: 68°F1965: 63°F1966: 69°F1967: 71°F1968: 74°F1969: 74°F1970: 74°F1971: 76°F1972: 69°F1973: 75°F1974: 63°F1975: 74°F1976: 72°F1977: 77°F1978: 73°F1979: 74°F1980: 77°F1981: 73°F1982: 74°F1983: 70°F1984: 72°F1985: 75°F1986: 73°F1987: 66°F1988: 75°F1989: 78°F1990: 73°F1991: 75°F1992: 71°F1993: 73°F1994: 71°F1995: 68°F1996: 73°F1997: 77°F1998: 74°F1999: 73°F2000: 79°F2001: 74°F2002: 77°F2003: 77°F2004: 73°F2005: 77°F2006: 74°F2007: 77°F2008: 78°F2009: 77°F2010: 75°F2011: 75°F2012: 78°F2013: 75°F2014: 77°F2015: 76°F2016: 81°F2017: 73°F2018: 79°F2019: 76°F2020: 77°F2021: 76°F2022: 75°F2023: 76°F2024: 78°F2025: 73°F76° forecast60657075808519501960197019801990200020102020
📖 New Orleans's full Climate Almanac →

The Numbers

Forecast low · Sep 476°F
Coldest this date since2025
This-date record63°F
This-date rank#58 of 80
Coldest at any time since2026
All-time record11°F (1989)
Odds to tie/break0.0% (daily)
Period of record1946–2026

Record Book

The hottest and coldest ever recorded at New Orleans in each calendar month, and for the whole 1946–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan83°FJan 31, 195714°FJan 11, 1962
Feb86°FFeb 21, 202616°FFeb 5, 1996
Mar89°FMar 18, 198225°FMar 2, 1980
Apr92°FApr 21, 198732°FApr 8, 1971
May97°FMay 15, 201841°FMay 13, 1960
Jun101°FJun 24, 200950°FJun 1, 1984
Jul101°FJul 16, 198060°FJul 16, 1967
Aug105°FAug 27, 202360°FAug 30, 1968
Sep101°FSep 10, 198042°FSep 30, 1967
Oct97°FOct 4, 201935°FOct 29, 1968
Nov88°FNov 2, 201624°FNov 25, 1970
Dec85°FDec 5, 201711°FDec 23, 1989
All-time105°FAug 27, 202311°FDec 23, 1989

2026 Records So Far

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

Record Highs in 2026

4 broke
plus 4 tied — daily record highs set this year
Monthly high record this year: Feb (86°F)

Record Lows in 2026

1 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

84°F
record high minimum — the night it never cooled · Aug 3, 2010

Coldest high ever

26°F
record low maximum — the day it never warmed · Jan 11, 1962
MonthWarmest lowColdest high
Jan74°FJan 1, 202226°FJan 11, 1962
Feb72°FFeb 23, 201933°FFeb 2, 1951
Mar75°FMar 15, 197338°FMar 6, 1989
Apr79°FApr 4, 202552°FApr 10, 1989
May80°FMay 27, 202462°FMay 3, 1970
Jun84°FJun 19, 202275°FJun 6, 1950
Jul83°FJul 6, 201677°FJul 6, 1991
Aug84°FAug 3, 201075°FAug 30, 1986
Sep84°FSep 1, 201663°FSep 28, 1967
Oct81°FOct 1, 197750°FOct 31, 1993
Nov77°FNov 7, 202441°FNov 29, 1976
Dec76°FDec 27, 201527°FDec 25, 1983
All-time84°FAug 3, 201026°FJan 11, 1962

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

8 days
record run, ended Jan 22 1977

So far in 2026

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

Climate Normals

Normal low & low by month, from New Orleans's own 1991–2020 record. Today's normal low: 74°F · forecast is +2° vs normal.
Jan: 63°FJan: 45°FFeb: 67°FFeb: 49°FMar: 73°FMar: 54°FApr: 79°FApr: 61°FMay: 86°FMay: 68°FJun: 90°FJun: 74°FJul: 92°FJul: 76°FAug: 92°FAug: 76°FSep: 88°FSep: 73°FOct: 81°FOct: 64°FNov: 71°FNov: 53°FDec: 65°FDec: 48°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:38 AM
Sunset6:24 PM
Solar noon12:01 PM
Daylight12h 46m · losing 12 min/wk
Local standard time (no DST), level horizon.

Location

30.00°N, 90.28°W

Nearby Stations

Baton Rouge, LA63 mi NWGulfport, MS76 mi EHattiesburg, MS106 mi NEMobile, AL130 mi EJackson, MS160 mi NTallulah-Vicksburg, LA168 mi N

The Last 6 Weeks

New Orleans'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.
New Orleans, LA — last six weeks of daily low

2026 So Far

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

Every Day Since 1946

Each cell is one day's low at New Orleans, coloured by temperature — 81 years of record, so heat waves read as warm streaks and cold snaps as blue.
New Orleans, LA daily low heat map 1946–2026

Days Below the Mark

How many days a year hit a given low at New Orleans — counted through Sep 4 each year, so you can see whether 2026 is running cold. Pick a threshold:
9 days ≤32°F so far in 2026 — tied for the 26th most in 81 years. Normal for this point: 6. Record: 19 in 1968.

Share Card

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