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Wyoming · THREADEX · 1872–2026

Cheyenne, WY

41.158°N, 104.808°W · station CYSthr · 155 years of record
74°F
forecast high · Oct 17

7-Day Forecast

NWS NDFD forecast high temperature for Cheyenne.
74°SAT10/1770°SUN10/1867°MON10/1971°TUE10/2072°WED10/2171°THU10/2268°FRI10/23

This Day in History

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

Ranks

#13 / 153
warmest Oct 17 in 153 yrs of record

Warmest Oct 17 ever

79°F
set in 1926

Coolest Oct 17 ever

29°F
set in 1948
Forecast high 74°F — 13th warmest Oct 17 of 153 years · record 79°F (1926) · warmest since 2024.
1873: 42°F1874: 69°F1875: 70°F1876: 68°F1877: 52°F1878: 67°F1879: 54°F1880: 36°F1881: 52°F1882: 41°F1883: 47°F1884: 73°F1885: 44°F1886: 67°F1887: 45°F1888: 64°F1889: 55°F1890: 58°F1891: 52°F1892: 68°F1893: 66°F1894: 68°F1895: 71°F1896: 58°F1897: 35°F1898: 43°F1899: 47°F1900: 66°F1901: 72°F1902: 60°F1903: 66°F1904: 56°F1905: 42°F1906: 49°F1907: 59°F1908: 58°F1909: 51°F1910: 49°F1911: 63°F1912: 66°F1913: 38°F1914: 72°F1915: 55°F1916: 61°F1917: 55°F1918: 55°F1919: 58°F1920: 57°F1921: 62°F1922: 56°F1923: 48°F1924: 65°F1925: 40°F1926: 79°F1927: 74°F1928: 42°F1929: 64°F1930: 55°F1931: 70°F1932: 73°F1933: 52°F1934: 56°F1935: 54°F1936: 60°F1937: 59°F1938: 49°F1939: 72°F1940: 69°F1941: 64°F1942: 52°F1943: 72°F1944: 60°F1945: 67°F1946: 42°F1947: 65°F1948: 29°F1949: 61°F1950: 75°F1951: 49°F1952: 68°F1953: 67°F1954: 77°F1955: 67°F1956: 75°F1957: 60°F1958: 68°F1959: 60°F1960: 60°F1961: 73°F1962: 59°F1963: 72°F1964: 76°F1965: 55°F1966: 57°F1967: 69°F1968: 47°F1969: 40°F1970: 58°F1971: 61°F1972: 68°F1973: 70°F1974: 74°F1975: 60°F1976: 52°F1977: 65°F1978: 64°F1979: 59°F1980: 35°F1981: 40°F1982: 67°F1983: 64°F1984: 38°F1985: 58°F1986: 66°F1987: 62°F1988: 68°F1989: 35°F1990: 44°F1991: 75°F1992: 59°F1993: 43°F1994: 44°F1995: 61°F1996: 49°F1997: 75°F1998: 43°F1999: 46°F2000: 63°F2001: 74°F2002: 64°F2003: 77°F2004: 72°F2005: 73°F2006: 43°F2007: 54°F2008: 67°F2009: 62°F2010: 70°F2011: 52°F2012: 71°F2013: 38°F2014: 60°F2015: 74°F2016: 76°F2017: 72°F2018: 55°F2019: 76°F2020: 68°F2021: 71°F2022: 62°F2023: 78°F2024: 78°F2025: 59°F74° forecast253035404550556065707580188018901900191019201930194019501960197019801990200020102020
📖 Cheyenne's full Climate Almanac →

The Numbers

Forecast high · Oct 1774°F
Hottest this date since2024
This-date record79°F
This-date rank#13 of 153
Hottest at any time since2026
All-time record100°F (1881)
Odds to tie/break0.0% (daily)
Period of record1872–2026

Record Book

The hottest and coldest ever recorded at Cheyenne in each calendar month, and for the whole 1872–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan70°FJan 27, 2015-38°FJan 9, 1875
Feb71°FFeb 11, 1962-34°FFeb 8, 1936
Mar83°FMar 21, 2026-21°FMar 2, 1943
Apr84°FApr 30, 2020-8°FApr 1, 1975
May91°FMay 29, 20008°FMay 3, 1907
Jun100°FJun 23, 195425°FJun 2, 1951
Jul100°FJul 14, 188133°FJul 4, 1915
Aug98°FAug 1, 200825°FAug 25, 1910
Sep97°FSep 7, 20228°FSep 30, 1985
Oct85°FOct 9, 1910-5°FOct 26, 1878
Nov75°FNov 5, 1891-21°FNov 13, 1916
Dec70°FDec 2, 2021-28°FDec 9, 1919
All-time100°FJul 14, 1881-38°FJan 9, 1875

2026 Records So Far

Records set or tied at Cheyenne so far this year — through Oct 15.

Record Highs in 2026

11 broke
plus 2 tied — daily record highs set this year
Monthly high records this year: Mar (83°F), Aug (98°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

68°F
record high minimum — the night it never cooled · Jul 31, 1960

Coldest high ever

-21°F
record low maximum — the day it never warmed · Jan 11, 1963
MonthWarmest lowColdest high
Jan46°FJan 19, 1920-21°FJan 11, 1963
Feb50°FFeb 4, 1890-18°FFeb 3, 1989
Mar51°FMar 16, 1908-5°FMar 12, 1880
Apr54°FApr 14, 20029°FApr 7, 1875
May60°FMay 28, 193426°FMay 1, 1954
Jun67°FJun 21, 202537°FJun 1, 1951
Jul68°FJul 31, 196047°FJul 10, 1895
Aug67°FAug 24, 202049°FAug 28, 1892
Sep65°FSep 5, 201929°FSep 24, 1926
Oct56°FOct 16, 199111°FOct 30, 1991
Nov53°FNov 15, 2021-4°FNov 27, 1919
Dec47°FDec 12, 1921-18°FDec 20, 1990
All-time68°FJul 31, 1960-21°FJan 11, 1963

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

10 days
record run, ended Jul 21 2003

So far in 2026

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

Climate Normals

Normal high & low by month, from Cheyenne's own 1991–2020 record. Today's normal high: 60°F · forecast is +14° vs normal.
Jan: 40°FJan: 18°FFeb: 41°FFeb: 18°FMar: 49°FMar: 25°FApr: 55°FApr: 30°FMay: 64°FMay: 40°FJun: 77°FJun: 49°FJul: 84°FJul: 56°FAug: 82°FAug: 54°FSep: 73°FSep: 46°FOct: 59°FOct: 34°FNov: 48°FNov: 24°FDec: 39°FDec: 18°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise6:12 AM
Sunset5:17 PM
Solar noon11:44 AM
Daylight11h 05m · losing 19 min/wk
Local standard time (no DST), level horizon.

Location

41.16°N, 104.81°W

Nearby Stations

Scottsbluff, NE79 mi NEDenver, CO90 mi SCasper, WY147 mi NWColorado Springs, CO162 mi SPueblo, CO198 mi SGoodland, KS205 mi SE

The Last 6 Weeks

Cheyenne'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.
Cheyenne, WY — last six weeks of daily high

2026 So Far

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

Every Day Since 1872

Each cell is one day's high at Cheyenne, coloured by temperature — 155 years of record, so heat waves read as warm streaks and cold snaps as blue.
Cheyenne, WY daily high heat map 1872–2026

Days Above the Mark

How many days a year hit a given high at Cheyenne — counted through Oct 17 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 17th most in 155 years. Normal for this point: 10. Record: 33 in 2020.

Share Card

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