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North Dakota · THREADEX · 1941–2026

Grand Forks, ND

47.943°N, 97.183°W · station GFKthr · 86 years of record
89°F
forecast high · Sep 4

7-Day Forecast

NWS NDFD forecast high temperature for Grand Forks.
81°TUE9/181°WED9/287°THU9/389°FRI9/488°SAT9/579°SUN9/675°MON9/7

This Day in History

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

Ranks

#10 / 85
warmest Sep 4 in 85 yrs of record

Warmest Sep 4 ever

96°F
set in 1948

Coolest Sep 4 ever

49°F
set in 2025
Forecast high 89°F — 10th warmest Sep 4 of 85 years · record 96°F (1948) · warmest since 2023.
1941: 77°F1942: 76°F1943: 71°F1944: 69°F1945: 92°F1946: 80°F1947: 92°F1948: 96°F1949: 65°F1950: 81°F1951: 64°F1952: 85°F1953: 60°F1954: 83°F1955: 75°F1956: 58°F1957: 74°F1958: 74°F1959: 82°F1960: 88°F1961: 80°F1962: 62°F1963: 82°F1964: 75°F1965: 65°F1966: 70°F1967: 82°F1968: 62°F1969: 84°F1970: 89°F1971: 79°F1972: 75°F1973: 68°F1974: 78°F1975: 72°F1976: 75°F1977: 63°F1978: 95°F1979: 95°F1980: 69°F1981: 70°F1982: 90°F1983: 82°F1984: 72°F1985: 73°F1986: 65°F1987: 75°F1988: 80°F1989: 75°F1990: 79°F1991: 75°F1992: 73°F1993: 61°F1994: 72°F1995: 91°F1996: 81°F1997: 78°F1998: 90°F1999: 58°F2000: 63°F2001: 87°F2002: 84°F2003: 78°F2004: 75°F2005: 87°F2006: 83°F2007: 85°F2008: 68°F2009: 79°F2010: 71°F2011: 68°F2012: 87°F2013: 73°F2014: 75°F2015: 83°F2016: 84°F2017: 73°F2018: 78°F2019: 73°F2020: 67°F2021: 79°F2022: 77°F2023: 95°F2024: 87°F2025: 49°F89° forecast455055606570758085909510019501960197019801990200020102020
📖 Grand Forks's full Climate Almanac →

The Numbers

Forecast high · Sep 489°F
Hottest this date since2023
This-date record96°F
This-date rank#10 of 85
Hottest at any time since2026
All-time record104°F (1983)
Odds to tie/break0.0% (daily)
Period of record1941–2026

Record Book

The hottest and coldest ever recorded at Grand Forks in each calendar month, and for the whole 1941–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan52°FJan 10, 1990-43°FJan 30, 2004
Feb67°FFeb 22, 2000-40°FFeb 1, 1996
Mar80°FMar 31, 1963-38°FMar 10, 1948
Apr100°FApr 21, 1980-8°FApr 1, 1970
May101°FMay 21, 19645°FMay 3, 1967
Jun103°FJun 4, 202130°FJun 6, 1953
Jul104°FJul 5, 198830°FJul 3, 1972
Aug104°FAug 7, 198331°FAug 28, 1986
Sep103°FSep 2, 198318°FSep 28, 1942
Oct92°FOct 1, 19926°FOct 31, 1991
Nov75°FNov 5, 1975-31°FNov 29, 1985
Dec56°FDec 9, 1990-33°FDec 31, 2021
All-time104°FAug 7, 1983-43°FJan 30, 2004

2026 Records So Far

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

Record Highs in 2026

5 broke
plus 2 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

77°F
record high minimum — the night it never cooled · Aug 22, 1947

Coldest high ever

-27°F
record low maximum — the day it never warmed · Feb 1, 1996
MonthWarmest lowColdest high
Jan35°FJan 20, 2017-23°FJan 28, 1966
Feb39°FFeb 25, 2000-27°FFeb 1, 1996
Mar54°FMar 19, 2012-11°FMar 1, 2014
Apr62°FApr 23, 199015°FApr 2, 1954
May71°FMay 31, 198828°FMay 2, 1967
Jun77°FJun 19, 202244°FJun 1, 1945
Jul75°FJul 8, 194855°FJul 1, 1968
Aug77°FAug 22, 194755°FAug 31, 1944
Sep71°FSep 17, 201939°FSep 24, 1984
Oct63°FOct 1, 202521°FOct 30, 1991
Nov50°FNov 6, 1977-10°FNov 29, 1958
Dec37°FDec 2, 1982-18°FDec 31, 1973
All-time77°FAug 22, 1947-27°FFeb 1, 1996

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

9 days
record run, ended Aug 29 1969

So far in 2026

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

Climate Normals

Normal high & low by month, from Grand Forks's own 1991–2020 record. Today's normal high: 76°F · forecast is +13° vs normal.
Jan: 16°FJan: -2°FFeb: 21°FFeb: 1°FMar: 34°FMar: 16°FApr: 52°FApr: 30°FMay: 67°FMay: 42°FJun: 77°FJun: 54°FJul: 81°FJul: 58°FAug: 80°FAug: 55°FSep: 71°FSep: 46°FOct: 54°FOct: 33°FNov: 36°FNov: 18°FDec: 21°FDec: 4°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:46 AM
Sunset7:10 PM
Solar noon12:28 PM
Daylight13h 24m · losing 23 min/wk
Local standard time (no DST), level horizon.

Location

47.94°N, 97.18°W

Nearby Stations

Fargo, ND72 mi SSisseton, SD157 mi SBrainerd, MN178 mi SEInternational Falls, MN179 mi EAberdeen, SD182 mi SWBismarck, ND185 mi W

The Last 6 Weeks

Grand Forks'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.
Grand Forks, ND — last six weeks of daily high

2026 So Far

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

Every Day Since 1941

Each cell is one day's high at Grand Forks, coloured by temperature — 86 years of record, so heat waves read as warm streaks and cold snaps as blue.
Grand Forks, ND daily high heat map 1941–2026

Days Above the Mark

How many days a year hit a given high at Grand Forks — counted through Sep 4 each year, so you can see whether 2026 is running hot. Pick a threshold:
20 days ≥90°F so far in 2026 — tied for the 8th most in 86 years. Normal for this point: 11. Record: 30 in 1961.

Share Card

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