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Colorado · THREADEX · 1893–2026

Grand Junction, CO

39.134°N, 108.541°W · station GJTthr · 134 years of record
59°F
forecast low · Sep 3

7-Day Forecast

NWS NDFD forecast low temperature for Grand Junction.
60°WED9/259°THU9/361°FRI9/462°SAT9/563°SUN9/663°MON9/763°TUE9/8

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

#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.
1893: 58°F1894: 58°F1895: 55°F1896: 61°F1897: 62°F1898: 52°F1899: 67°F1900: 59°F1901: 68°F1902: 55°F1903: 57°F1904: 54°F1905: 59°F1906: 50°F1907: 56°F1908: 55°F1909: 62°F1910: 54°F1911: 61°F1912: 58°F1913: 59°F1914: 59°F1915: 58°F1916: 64°F1917: 59°F1918: 56°F1919: 58°F1920: 53°F1921: 55°F1922: 61°F1923: 57°F1924: 60°F1925: 63°F1926: 59°F1927: 58°F1928: 56°F1929: 54°F1930: 64°F1931: 59°F1932: 53°F1933: 62°F1934: 53°F1935: 57°F1936: 57°F1937: 63°F1938: 59°F1939: 57°F1940: 64°F1941: 57°F1942: 62°F1943: 58°F1944: 52°F1945: 63°F1946: 61°F1947: 66°F1948: 61°F1949: 54°F1950: 62°F1951: 55°F1952: 52°F1953: 54°F1954: 60°F1955: 57°F1956: 55°F1957: 52°F1958: 68°F1959: 55°F1960: 62°F1961: 43°F1962: 52°F1963: 54°F1964: 53°F1965: 58°F1966: 51°F1967: 59°F1968: 55°F1969: 61°F1970: 55°F1971: 48°F1972: 56°F1973: 44°F1974: 47°F1975: 54°F1976: 51°F1977: 59°F1978: 60°F1979: 60°F1980: 52°F1981: 65°F1982: 61°F1983: 65°F1984: 59°F1985: 62°F1986: 51°F1987: 63°F1988: 59°F1989: 58°F1990: 56°F1991: 59°F1992: 52°F1993: 52°F1994: 62°F1995: 67°F1996: 65°F1997: 59°F1998: 61°F1999: 56°F2000: 54°F2001: 58°F2002: 58°F2003: 59°F2004: 62°F2005: 59°F2006: 52°F2007: 69°F2008: 44°F2009: 59°F2010: 54°F2011: 57°F2012: 57°F2013: 63°F2014: 60°F2015: 65°F2016: 61°F2017: 63°F2018: 62°F2019: 56°F2020: 50°F2021: 59°F2022: 63°F2023: 65°F2024: 61°F2025: 61°F59° forecast404550556065701900191019201930194019501960197019801990200020102020
📖 Grand Junction's full Climate Almanac →

The Numbers

Forecast low · Sep 359°F
Coldest this date since2020
This-date record43°F
This-date rank#69 of 133
Coldest at any time since2026
All-time record-23°F (1963)
Odds to tie/break0.0% (daily)
Period of record1893–2026

Record Book

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.
MonthRecord HighRecord Low
Jan62°FJan 31, 1911-23°FJan 13, 1963
Feb71°FFeb 3, 2025-21°FFeb 8, 1933
Mar88°FMar 25, 20265°FMar 5, 1939
Apr89°FApr 29, 199211°FApr 2, 1975
May101°FMay 29, 200024°FMay 1, 2011
Jun105°FJun 27, 199034°FJun 14, 1976
Jul107°FJul 9, 202144°FJul 5, 1993
Aug105°FAug 3, 202643°FAug 23, 1968
Sep102°FSep 6, 202228°FSep 27, 1908
Oct89°FOct 1, 20246°FOct 31, 2019
Nov76°FNov 2, 2008-4°FNov 30, 2004
Dec66°FDec 6, 1901-21°FDec 26, 1924
All-time107°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
MonthWarmest lowColdest high
Jan44°FJan 31, 18932°FJan 7, 1913
Feb51°FFeb 25, 19046°FFeb 6, 1989
Mar55°FMar 21, 190727°FMar 27, 1975
Apr61°FApr 29, 194333°FApr 3, 1945
May72°FMay 29, 189642°FMay 11, 1946
Jun78°FJun 26, 201253°FJun 9, 1941
Jul80°FJul 13, 202664°FJul 4, 1921
Aug77°FAug 7, 202464°FAug 30, 1957
Sep72°FSep 5, 201346°FSep 30, 1893
Oct63°FOct 3, 196727°FOct 26, 2020
Nov53°FNov 1, 201419°FNov 27, 1919
Dec52°FDec 24, 19554°FDec 9, 1919
All-time80°FJul 13, 20262°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.
Jan: 38°FJan: 18°FFeb: 46°FFeb: 24°FMar: 58°FMar: 32°FApr: 66°FApr: 38°FMay: 76°FMay: 47°FJun: 89°FJun: 57°FJul: 94°FJul: 64°FAug: 91°FAug: 62°FSep: 81°FSep: 53°FOct: 67°FOct: 40°FNov: 52°FNov: 28°FDec: 38°FDec: 18°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:43 AM
Sunset6:45 PM
Solar noon12:14 PM
Daylight13h 02m · losing 17 min/wk
Local standard time (no DST), level horizon.

Location

39.13°N, 108.54°W

Nearby Stations

Alamosa, CO186 mi SEColorado Springs, CO208 mi EDenver, CO212 mi ESalt Lake City, UT213 mi NWPueblo, CO225 mi ECheyenne, WY241 mi NE

The Last 6 Weeks

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.
Grand Junction, CO — last six weeks of daily low

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.
Grand Junction, CO — 2026 daily low trace
Download year chart

Every Day Since 1893

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.
Grand Junction, CO daily low heat map 1893–2026

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.
Grand Junction, CO cold share card
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