Idaho · THREADEX · 1915–2026
Jerome, ID
42.727°N, 114.455°W · station JERthr · 112 years of record
96°F
HOTTEST JUL 13 SINCE 2024
forecast high · Jul 13
NWS NDFD forecast high temperature for Jerome.
This Day in History · Jul 13
Today ranks
#27 / 105
warmest Jul 13 in 105 yrs of record
Hottest Jul 13 ever
106°F
set in 1940
Coolest Jul 13 ever
69°F
set in 1962
Hottest Jul 13 — Year by Year
Every year's high on Jul 13 at Jerome. The forecast line shows where today lands; the ringed bar is the hottest on record.
| Forecast high · Jul 13 | 96°F |
| Hottest this date since | 2024 |
| This-date record | 106°F |
| This-date rank | #27 of 105 |
| Hottest at any time since | 2025 |
| All-time record | 110°F (1940) |
| Odds to tie/break | 0.0% (daily) |
| Period of record | 1915–2026 |
The hottest and coldest ever recorded at Jerome in each calendar month, and for the whole 1915–2026 record — with the year each was set.
| Month | Record High | Record Low |
|---|
| Jan | 61°F1953 | -25°F1937 |
| Feb | 69°F1981 | -24°F1933 |
| Mar | 79°F1928 | -1°F1993 |
| Apr | 90°F1939 | 12°F1936 |
| May | 99°F2003 | 19°F1953 |
| Jun | 110°F1940 | 26°F1928 |
| Jul | 108°F1934 | 35°F1983 |
| Aug | 107°F1940 | 32°F2006 |
| Sep | 102°F1955 | 21°F1926 |
| Oct | 94°F1992 | 8°F2019 |
| Nov | 76°F1931 | -10°F1955 |
| Dec | 67°F1939 | -24°F1990 |
| All-time | 110°F1940 | -25°F1937 |
Records set or tied at Jerome so far this year — through Jul 11.
Record Highs in 2026
4 broke
plus 0 tied — daily record highs set this year
Monthly high record this year: Mar (79°F)
Record Lows in 2026
0 broke
plus 0 tied — daily record lows set this year
Current run
3 days
consecutive days with a high ≥ 90°F
Longest ever
45 days
record run, ended Aug 22 1994
So far in 2026
9 days
days with a high ≥ 90°F this year
Normal high & low by month, from Jerome's own 1991–2020 record. Today's normal high: 89°F · forecast is +7° vs normal.
Sun & Daylight Today
| Sunrise | 4:11 AM |
| Sunset | 7:15 PM |
| Solar noon | 11:43 AM |
| Daylight | 15h 04m · losing 8 min/wk |
Local standard time (no DST), level horizon.
Location
Jerome'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 Jerome'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 Jerome, coloured by temperature — 112 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 Jerome — counted through Jul 13 each year, so you can see whether 2026 is running hot. Pick a threshold:
9 days ≥90°F so far in 2026 — tied for the 78th most in 112 years. Normal for this point: 13. Record: 33 in 1940.
A ready-to-share summary of Jerome's outlook — post it, or link this page.
See Jerome on coldestsince.com →