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Wyoming · THREADEX · 1939–2026

Casper, WY

42.898°N, 106.474°W · station CPRthr · 88 years of record
69°F
forecast high · Oct 22

7-Day Forecast

NWS NDFD forecast high temperature for Casper.
64°SAT10/1762°SUN10/1866°MON10/1968°TUE10/2068°WED10/2169°THU10/2263°FRI10/23

This Day in History

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

Ranks

#15 / 86
warmest Oct 22 in 86 yrs of record

Warmest Oct 22 ever

80°F
set in 2003

Coolest Oct 22 ever

32°F
set in 1947
Forecast high 69°F — 15th warmest Oct 22 of 86 years · record 80°F (2003) · warmest since 2024.
1940: 72°F1941: 52°F1942: 45°F1943: 50°F1944: 62°F1945: 47°F1946: 67°F1947: 32°F1948: 69°F1949: 45°F1950: 64°F1951: 43°F1952: 65°F1953: 42°F1954: 73°F1955: 60°F1956: 70°F1957: 56°F1958: 61°F1959: 62°F1960: 63°F1961: 61°F1962: 61°F1963: 70°F1964: 71°F1965: 71°F1966: 51°F1967: 62°F1968: 51°F1969: 65°F1970: 52°F1971: 59°F1972: 57°F1973: 72°F1974: 44°F1975: 58°F1976: 62°F1977: 62°F1978: 39°F1979: 55°F1980: 60°F1981: 41°F1982: 65°F1983: 73°F1984: 35°F1985: 57°F1986: 46°F1987: 58°F1988: 71°F1989: 67°F1990: 55°F1991: 64°F1992: 79°F1993: 66°F1994: 52°F1995: 34°F1996: 39°F1997: 63°F1998: 63°F1999: 68°F2000: 71°F2001: 60°F2002: 40°F2003: 80°F2004: 61°F2005: 53°F2006: 47°F2007: 52°F2008: 49°F2009: 52°F2010: 69°F2011: 63°F2012: 54°F2013: 65°F2014: 62°F2015: 50°F2016: 69°F2017: 61°F2018: 65°F2019: 55°F2020: 68°F2021: 65°F2022: 66°F2023: 70°F2024: 71°F2025: 64°F69° forecast3035404550556065707580194019501960197019801990200020102020
📖 Casper's full Climate Almanac →

The Numbers

Forecast high · Oct 2269°F
Hottest this date since2024
This-date record80°F
This-date rank#15 of 86
Hottest at any time since2026
All-time record104°F (1954)
Odds to tie/break0.0% (daily)
Period of record1939–2026

Record Book

The hottest and coldest ever recorded at Casper in each calendar month, and for the whole 1939–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan60°FJan 30, 1971-40°FJan 24, 1949
Feb68°FFeb 21, 1982-32°FFeb 17, 2006
Mar83°FMar 21, 2026-25°FMar 10, 2022
Apr84°FApr 30, 1992-6°FApr 12, 1997
May95°FMay 29, 200316°FMay 12, 1953
Jun102°FJun 24, 198825°FJun 10, 2019
Jul104°FJul 12, 195430°FJul 4, 1972
Aug103°FAug 2, 202629°FAug 23, 2015
Sep100°FSep 4, 202215°FSep 28, 1945
Oct87°FOct 1, 1992-9°FOct 29, 2019
Nov73°FNov 4, 2020-27°FNov 12, 2014
Dec66°FDec 2, 2021-42°FDec 22, 2022
All-time104°FJul 12, 1954-42°FDec 22, 2022

2026 Records So Far

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

Record Highs in 2026

23 broke
plus 5 tied — daily record highs set this year
Monthly high records this year: Mar (83°F), Aug (103°F), Oct (87°F)

Record Lows in 2026

3 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

74°F
record high minimum — the night it never cooled · Jul 18, 2006

Coldest high ever

-25°F
record low maximum — the day it never warmed · Feb 3, 1989
MonthWarmest lowColdest high
Jan43°FJan 1, 1997-19°FJan 11, 1963
Feb42°FFeb 10, 1951-25°FFeb 3, 1989
Mar49°FMar 15, 20153°FMar 5, 1943
Apr53°FApr 14, 194213°FApr 9, 2013
May58°FMay 26, 194229°FMay 1, 1954
Jun68°FJun 25, 198837°FJun 1, 1951
Jul74°FJul 18, 200654°FJul 11, 1951
Aug71°FAug 1, 195552°FAug 17, 1960
Sep66°FSep 4, 196027°FSep 17, 1965
Oct58°FOct 8, 19548°FOct 29, 2019
Nov48°FNov 15, 1941-3°FNov 15, 1955
Dec48°FDec 3, 1941-20°FDec 20, 1990
All-time74°FJul 18, 2006-25°FFeb 3, 1989

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

20 days
record run, ended Jul 29 2026

So far in 2026

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

Climate Normals

Normal high & low by month, from Casper's own 1991–2020 record. Today's normal high: 58°F · forecast is +11° vs normal.
Jan: 36°FJan: 16°FFeb: 38°FFeb: 16°FMar: 49°FMar: 23°FApr: 56°FApr: 29°FMay: 67°FMay: 38°FJun: 80°FJun: 46°FJul: 89°FJul: 53°FAug: 87°FAug: 52°FSep: 76°FSep: 43°FOct: 60°FOct: 31°FNov: 46°FNov: 22°FDec: 35°FDec: 15°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise6:20 AM
Sunset5:22 PM
Solar noon11:51 AM
Daylight11h 02m · losing 20 min/wk
Local standard time (no DST), level horizon.

Location

42.90°N, 106.47°W

Nearby Stations

Lander, WY114 mi WSheridan, WY131 mi NCheyenne, WY147 mi SEScottsbluff, NE162 mi ERapid City, SD188 mi EBillings, MT225 mi NW

The Last 6 Weeks

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

2026 So Far

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

Every Day Since 1939

Each cell is one day's high at Casper, coloured by temperature — 88 years of record, so heat waves read as warm streaks and cold snaps as blue.
Casper, WY daily high heat map 1939–2026

Days Above the Mark

How many days a year hit a given high at Casper — counted through Oct 22 each year, so you can see whether 2026 is running hot. Pick a threshold:
50 days ≥90°F so far in 2026 — the 7th most in 88 years. Normal for this point: 32. Record: 57 in 1988.

Share Card

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