Wyoming · THREADEX · 1939–2026
Casper, WY
42.898°N, 106.474°W · station CPRthr · 88 years of record
101°F
HOTTEST JUL 13 SINCE 2005
forecast high · Jul 13
NWS NDFD forecast high temperature for Casper.
This Day in History · Jul 13
Today ranks
#2 / 86
warmest Jul 13 in 86 yrs of record
Hottest Jul 13 ever
103°F
set in 2005
Coolest Jul 13 ever
60°F
set in 1992
Hottest Jul 13 — Year by Year
Every year's high on Jul 13 at Casper. The forecast line shows where today lands; the ringed bar is the hottest on record.
| Forecast high · Jul 13 | 101°F |
| Hottest this date since | 2005 |
| This-date record | 103°F |
| This-date rank | #2 of 86 |
| Hottest at any time since | 2026 |
| All-time record | 104°F (1954) |
| Odds to tie/break | 0.0% (daily) |
| Period of record | 1939–2026 |
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.
| Month | Record High | Record Low |
|---|
| Jan | 60°F1971 | -40°F1949 |
| Feb | 68°F1982 | -32°F2006 |
| Mar | 83°F2026 | -25°F2022 |
| Apr | 84°F1992 | -6°F1997 |
| May | 95°F2003 | 16°F1953 |
| Jun | 102°F1988 | 25°F2019 |
| Jul | 104°F1954 | 30°F1972 |
| Aug | 102°F1979 | 29°F2015 |
| Sep | 100°F2022 | 15°F1945 |
| Oct | 87°F1992 | -9°F2019 |
| Nov | 73°F2020 | -27°F2014 |
| Dec | 66°F2021 | -42°F2022 |
| All-time | 104°F1954 | -42°F2022 |
Records set or tied at Casper so far this year — through Jul 11.
Record Highs in 2026
16 broke
plus 2 tied — daily record highs set this year
Monthly high record this year: Mar (83°F)
Record Lows in 2026
3 broke
plus 0 tied — daily record lows set this year
Current run
2 days
consecutive days with a high ≥ 90°F
Longest ever
16 days
record run, ended Jul 8 2002
So far in 2026
14 days
days with a high ≥ 90°F this year
Normal high & low by month, from Casper's own 1991–2020 record. Today's normal high: 90°F · forecast is +11° vs normal.
Sun & Daylight Today
| Sunrise | 4:39 AM |
| Sunset | 7:44 PM |
| Solar noon | 12:11 PM |
| Daylight | 15h 05m · losing 8 min/wk |
Local standard time (no DST), level horizon.
Location
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.
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.
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.
How many days a year hit a given high at Casper — counted through Jul 13 each year, so you can see whether 2026 is running hot. Pick a threshold:
14 days ≥90°F so far in 2026 — tied for the 22nd most in 88 years. Normal for this point: 10. Record: 26 in 1988.
A ready-to-share summary of Casper's outlook — post it, or link this page.
See Casper on coldestsince.com →