Minnesota · THREADEX · 1874–2026

Duluth, MN

46.844°N, 92.187°W · station DLHthr · 153 years of record
94°F
forecast high · Jul 13

7-Day Forecast

NWS NDFD forecast high temperature for Duluth.
94°MON7/1394°TUE7/1485°WED7/1581°THU7/1681°FRI7/1781°SAT7/1879°SUN7/19

This Day in History · Jul 13

Today ranks

#4 / 152
warmest Jul 13 in 152 yrs of record

Hottest Jul 13 ever

102°F
set in 1936

Coolest Jul 13 ever

52°F
set in 1883

Hottest Jul 13 — Year by Year

Every year's high on Jul 13 at Duluth. The forecast line shows where today lands; the ringed bar is the hottest on record.
52771021874: 89°F1875: 83°F1876: 74°F1877: 73°F1878: 96°F1879: 86°F1880: 68°F1881: 95°F1882: 67°F1883: 52°F1884: 78°F1885: 74°F1886: 74°F1887: 76°F1888: 62°F1889: 66°F1890: 86°F1891: 65°F1892: 80°F1893: 89°F1894: 81°F1895: 60°F1896: 84°F1897: 78°F1898: 76°F1899: 61°F1900: 66°F1901: 78°F1902: 76°F1903: 74°F1904: 77°F1905: 83°F1906: 80°F1907: 85°F1908: 80°F1909: 74°F1910: 78°F1911: 74°F1912: 70°F1913: 68°F1914: 63°F1915: 85°F1916: 88°F1917: 70°F1918: 71°F1919: 66°F1920: 82°F1921: 75°F1922: 80°F1923: 81°F1924: 78°F1925: 82°F1926: 71°F1927: 70°F1928: 70°F1929: 81°F1930: 62°F1931: 82°F1932: 82°F1933: 89°F1934: 83°F1935: 81°F1936: 102°F1937: 70°F1938: 80°F1939: 79°F1940: 68°F1941: 79°F1942: 75°F1943: 81°F1944: 75°F1945: 71°F1946: 90°F1947: 82°F1948: 78°F1949: 72°F1950: 63°F1951: 82°F1952: 69°F1953: 75°F1954: 88°F1955: 85°F1956: 64°F1957: 88°F1958: 75°F1959: 76°F1960: 82°F1961: 71°F1962: 78°F1963: 81°F1964: 71°F1965: 83°F1966: 69°F1967: 71°F1968: 65°F1969: 87°F1970: 87°F1971: 73°F1972: 75°F1973: 76°F1974: 92°F1975: 68°F1976: 69°F1977: 77°F1978: 73°F1979: 79°F1980: 88°F1981: 84°F1982: 78°F1983: 90°F1984: 89°F1985: 85°F1986: 64°F1987: 69°F1988: 74°F1989: 75°F1990: 80°F1991: 70°F1992: 72°F1993: 59°F1994: 63°F1995: 90°F1996: 64°F1997: 83°F1998: 90°F1999: 78°F2000: 79°F2001: 84°F2002: 80°F2003: 80°F2004: 83°F2005: 84°F2006: 88°F2007: 67°F2008: 73°F2009: 77°F2010: 74°F2011: 65°F2012: 86°F2013: 76°F2014: 72°F2015: 80°F2016: 81°F2017: 57°F2018: 86°F2019: 83°F2020: 78°F2021: 87°F2022: 69°F2023: 77°F2024: 86°F2025: 84°F94° forecast187419362025

The Numbers

Forecast high · Jul 1394°F
Hottest this date since1936
This-date record102°F
This-date rank#4 of 152
Hottest at any time since2023
All-time record106°F (1936)
Odds to tie/break0.0% (daily)
Period of record1874–2026

Record Book

The hottest and coldest ever recorded at Duluth in each calendar month, and for the whole 1874–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan55°F1942-41°F1885
Feb58°F1895-39°F1996
Mar81°F1946-29°F1989
Apr88°F1952-5°F1954
May95°F193916°F1907
Jun97°F191027°F1972
Jul106°F193635°F1988
Aug97°F193032°F1986
Sep97°F202323°F1962
Oct86°F19536°F1917
Nov75°F2020-29°F1875
Dec56°F1939-35°F1917
All-time106°F1936-41°F1885

2026 Records So Far

Records set or tied at Duluth so far this year — through Jul 11.

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

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

7 days
record run, ended Jul 13 1936

So far in 2026

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

Climate Normals

Normal high & low by month, from Duluth's own 1991–2020 record. Today's normal high: 77°F · forecast is +17° vs normal.
Jan: 19°FJan: 2°FFeb: 24°FFeb: 6°FMar: 35°FMar: 18°FApr: 48°FApr: 30°FMay: 62°FMay: 41°FJun: 71°FJun: 50°FJul: 77°FJul: 56°FAug: 75°FAug: 55°FSep: 66°FSep: 47°FOct: 52°FOct: 36°FNov: 36°FNov: 23°FDec: 24°FDec: 10°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:27 AM
Sunset8:01 PM
Solar noon12:14 PM
Daylight15h 34m · losing 10 min/wk
Local standard time (no DST), level horizon.

Location

46.84°N, 92.19°W

Nearby Stations

Hibbing, MN47 mi NWAshland, WI63 mi EHayward, WI66 mi SEBrainerd, MN96 mi WSaint Cloud, MN126 mi SWInternational Falls, MN131 mi NW

The Last 6 Weeks

Duluth'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.
Duluth, MN — last six weeks of daily high

2026 So Far

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

Every Day Since 1874

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

Days Above the Mark

How many days a year hit a given high at Duluth — counted through Jul 13 each year, so you can see whether 2026 is running hot. Pick a threshold:
No days ≥90°F yet in 2026. Normal for this point: 1. Record: 9 in 1910.

Share Card

A ready-to-share summary of Duluth's outlook — post it, or link this page.
Duluth, MN hot share card
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part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13T11:58:11Z
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