47.943°N, 97.183°W · station GFKthr · 86 years of record
89°F
HOTTEST SEP 4 SINCE 2023
forecast high · Sep 4
7-Day Forecast
NWS NDFD forecast high temperature for Grand Forks.
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
#27 / 84
warmest Sep 1 in 84 yrs of record
Warmest Sep 1 ever
98°F
set in 1983
Coolest Sep 1 ever
55°F
set in 1944
Forecast high 81°F — 27th warmest Sep 1 of 84 years · record 98°F (1983) · warmest since 2025.
Ranks
#30 / 85
warmest Sep 2 in 85 yrs of record
Warmest Sep 2 ever
103°F
set in 1983
Coolest Sep 2 ever
59°F
set in 1974
Forecast high 81°F — 30th warmest Sep 2 of 85 years · record 103°F (1983) · warmest since 2023.
Ranks
#14 / 85
warmest Sep 3 in 85 yrs of record
Warmest Sep 3 ever
95°F
set in 1976
Coolest Sep 3 ever
59°F
set in 1999
Forecast high 87°F — 14th warmest Sep 3 of 85 years · record 95°F (1976) · warmest since 2023.
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.
Ranks
#11 / 85
warmest Sep 5 in 85 yrs of record
Warmest Sep 5 ever
101°F
set in 1978
Coolest Sep 5 ever
57°F
set in 1956
Forecast high 88°F — 11th warmest Sep 5 of 85 years · record 101°F (1978) · warmest since 2007.
Ranks
#25 / 85
warmest Sep 6 in 85 yrs of record
Warmest Sep 6 ever
98°F
set in 1945
Coolest Sep 6 ever
49°F
set in 1965
Forecast high 79°F — 25th warmest Sep 6 of 85 years · record 98°F (1945) · warmest since 2022.
Ranks
#41 / 85
warmest Sep 7 in 85 yrs of record
Warmest Sep 7 ever
99°F
set in 1976
Coolest Sep 7 ever
54°F
set in 1941
Forecast high 75°F — 41st warmest Sep 7 of 85 years · record 99°F (1976) · warmest since 2023.
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.
Month
Record High
Record Low
Jan
52°FJan 10, 1990
-43°FJan 30, 2004
Feb
67°FFeb 22, 2000
-40°FFeb 1, 1996
Mar
80°FMar 31, 1963
-38°FMar 10, 1948
Apr
100°FApr 21, 1980
-8°FApr 1, 1970
May
101°FMay 21, 1964
5°FMay 3, 1967
Jun
103°FJun 4, 2021
30°FJun 6, 1953
Jul
104°FJul 5, 1988
30°FJul 3, 1972
Aug
104°FAug 7, 1983
31°FAug 28, 1986
Sep
103°FSep 2, 1983
18°FSep 28, 1942
Oct
92°FOct 1, 1992
6°FOct 31, 1991
Nov
75°FNov 5, 1975
-31°FNov 29, 1985
Dec
56°FDec 9, 1990
-33°FDec 31, 2021
All-time
104°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
Month
Warmest low
Coldest high
Jan
35°FJan 20, 2017
-23°FJan 28, 1966
Feb
39°FFeb 25, 2000
-27°FFeb 1, 1996
Mar
54°FMar 19, 2012
-11°FMar 1, 2014
Apr
62°FApr 23, 1990
15°FApr 2, 1954
May
71°FMay 31, 1988
28°FMay 2, 1967
Jun
77°FJun 19, 2022
44°FJun 1, 1945
Jul
75°FJul 8, 1948
55°FJul 1, 1968
Aug
77°FAug 22, 1947
55°FAug 31, 1944
Sep
71°FSep 17, 2019
39°FSep 24, 1984
Oct
63°FOct 1, 2025
21°FOct 30, 1991
Nov
50°FNov 6, 1977
-10°FNov 29, 1958
Dec
37°FDec 2, 1982
-18°FDec 31, 1973
All-time
77°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.
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.
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.