39.134°N, 108.541°W · station GJTthr · 134 years of record
59°F
COLDEST SEP 3 SINCE 2020
forecast low · Sep 3
7-Day Forecast
NWS NDFD forecast low temperature for Grand Junction.
This Day in History
Every year's low on each of the next 7 forecast dates at Grand Junction — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#67 / 133
coldest Sep 2 in 133 yrs of record
Coldest Sep 2 ever
41°F
set in 1973
Mildest Sep 2 ever
70°F
set in 2024
Forecast low 60°F — 67th coldest Sep 2 of 133 years · record 41°F (1973) · coldest since 2025.
Ranks
#69 / 133
coldest Sep 3 in 133 yrs of record
Coldest Sep 3 ever
43°F
set in 1961
Mildest Sep 3 ever
69°F
set in 2007
Forecast low 59°F — 69th coldest Sep 3 of 133 years · record 43°F (1961) · coldest since 2020.
Ranks
#100 / 133
coldest Sep 4 in 133 yrs of record
Coldest Sep 4 ever
42°F
set in 1961
Mildest Sep 4 ever
69°F
set in 1950
Forecast low 61°F — 100th coldest Sep 4 of 133 years · record 42°F (1961) · coldest since 2025.
Ranks
#97 / 133
coldest Sep 5 in 133 yrs of record
Coldest Sep 5 ever
42°F
set in 1961
Mildest Sep 5 ever
72°F
set in 2013
Forecast low 62°F — 97th coldest Sep 5 of 133 years · record 42°F (1961) · coldest since 2023.
Ranks
#112 / 133
coldest Sep 6 in 133 yrs of record
Coldest Sep 6 ever
42°F
set in 2004
Mildest Sep 6 ever
71°F
set in 2000
Forecast low 63°F — 112th coldest Sep 6 of 133 years · record 42°F (2004) · coldest since 2025.
Ranks
#114 / 133
coldest Sep 7 in 133 yrs of record
Coldest Sep 7 ever
44°F
set in 2001
Mildest Sep 7 ever
69°F
set in 1914
Forecast low 63°F — 114th coldest Sep 7 of 133 years · record 44°F (2001) · coldest since 2025.
Ranks
#115 / 133
coldest Sep 8 in 133 yrs of record
Coldest Sep 8 ever
42°F
set in 1894
Mildest Sep 8 ever
70°F
set in 1998
Forecast low 63°F — 115th coldest Sep 8 of 133 years · record 42°F (1894) · coldest since 2025.
The hottest and coldest ever recorded at Grand Junction in each calendar month, and for the whole 1893–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
62°FJan 31, 1911
-23°FJan 13, 1963
Feb
71°FFeb 3, 2025
-21°FFeb 8, 1933
Mar
88°FMar 25, 2026
5°FMar 5, 1939
Apr
89°FApr 29, 1992
11°FApr 2, 1975
May
101°FMay 29, 2000
24°FMay 1, 2011
Jun
105°FJun 27, 1990
34°FJun 14, 1976
Jul
107°FJul 9, 2021
44°FJul 5, 1993
Aug
105°FAug 3, 2026
43°FAug 23, 1968
Sep
102°FSep 6, 2022
28°FSep 27, 1908
Oct
89°FOct 1, 2024
6°FOct 31, 2019
Nov
76°FNov 2, 2008
-4°FNov 30, 2004
Dec
66°FDec 6, 1901
-21°FDec 26, 1924
All-time
107°FJul 9, 2021
-23°FJan 13, 1963
2026 Records So Far
Records set or tied at Grand Junction so far this year — through Aug 30.
Record Highs in 2026
17 broke
plus 3 tied — daily record highs set this year
Monthly high records this year: Mar (88°F), Aug (105°F)
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
80°F
record high minimum — the night it never cooled · Jul 13, 2026
Coldest high ever
2°F
record low maximum — the day it never warmed · Jan 7, 1913
Month
Warmest low
Coldest high
Jan
44°FJan 31, 1893
2°FJan 7, 1913
Feb
51°FFeb 25, 1904
6°FFeb 6, 1989
Mar
55°FMar 21, 1907
27°FMar 27, 1975
Apr
61°FApr 29, 1943
33°FApr 3, 1945
May
72°FMay 29, 1896
42°FMay 11, 1946
Jun
78°FJun 26, 2012
53°FJun 9, 1941
Jul
80°FJul 13, 2026
64°FJul 4, 1921
Aug
77°FAug 7, 2024
64°FAug 30, 1957
Sep
72°FSep 5, 2013
46°FSep 30, 1893
Oct
63°FOct 3, 1967
27°FOct 26, 2020
Nov
53°FNov 1, 2014
19°FNov 27, 1919
Dec
52°FDec 24, 1955
4°FDec 9, 1919
All-time
80°FJul 13, 2026
2°FJan 7, 1913
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
135 days
record run, ended Mar 29 1964
So far in 2026
59 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Grand Junction's own 1991–2020 record. Today's normal low: 58°F · forecast is +0° vs normal.
Grand Junction'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.
2026 So Far
Every day this year against Grand Junction's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's low at Grand Junction, coloured by temperature — 134 years of record, so heat waves read as warm streaks and cold snaps as blue.
Days Below the Mark
How many days a year hit a given low at Grand Junction — counted through Sep 3 each year, so you can see whether 2026 is running cold. Pick a threshold:
59 days ≤32°F so far in 2026 — tied for the 129th most in 134 years. Normal for this point: 79. Record: 104 in 2008.
Share Card
A ready-to-share summary of Grand Junction's outlook — post it, or link this page.