Illinois · THREADEX · 1883–2026
Peoria, IL
40.667°N, 89.684°W · station PIAthr · 144 years of record
94°F
HOTTEST JUL 15 SINCE 2006
forecast high · Jul 15
NWS NDFD forecast high temperature for Peoria.
This Day in History · Jul 15
Today ranks
#14 / 143
warmest Jul 15 in 143 yrs of record
Hottest Jul 15 ever
110°F
set in 1936
Coolest Jul 15 ever
70°F
set in 2014
Hottest Jul 15 — Year by Year
Every year's high on Jul 15 at Peoria. The forecast line shows where today lands; the ringed bar is the hottest on record.
| Forecast high · Jul 15 | 94°F |
| Hottest this date since | 2006 |
| This-date record | 110°F |
| This-date rank | #14 of 143 |
| Hottest at any time since | 2025 |
| All-time record | 113°F (1936) |
| Odds to tie/break | 0.0% (daily) |
| Period of record | 1883–2026 |
The hottest and coldest ever recorded at Peoria in each calendar month, and for the whole 1883–2026 record — with the year each was set.
| Month | Record High | Record Low |
|---|
| Jan | 71°F1909 | -27°F1884 |
| Feb | 78°F2024 | -26°F1905 |
| Mar | 87°F1907 | -10°F1943 |
| Apr | 92°F1894 | 14°F1920 |
| May | 104°F1934 | 25°F1966 |
| Jun | 105°F1934 | 39°F1945 |
| Jul | 113°F1936 | 46°F1911 |
| Aug | 106°F1936 | 41°F1910 |
| Sep | 104°F1899 | 26°F1899 |
| Oct | 93°F2006 | 7°F1925 |
| Nov | 81°F1888 | -2°F1977 |
| Dec | 71°F1970 | -24°F1924 |
| All-time | 113°F1936 | -27°F1884 |
Records set or tied at Peoria so far this year — through Jul 11.
Record Highs in 2026
6 broke
plus 2 tied — daily record highs set this year
Monthly high record this year: Mar (87°F)
Record Lows in 2026
0 broke
plus 0 tied — daily record lows set this year
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
21 days
record run, ended Jul 31 1916
So far in 2026
6 days
days with a high ≥ 90°F this year
Normal high & low by month, from Peoria's own 1991–2020 record. Today's normal high: 86°F · forecast is +8° vs normal.
Sun & Daylight Today
| Sunrise | 4:39 AM |
| Sunset | 7:30 PM |
| Solar noon | 12:04 PM |
| Daylight | 14h 51m · losing 8 min/wk |
Local standard time (no DST), level horizon.
Location
Peoria'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 Peoria'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 Peoria, coloured by temperature — 144 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 Peoria — counted through Jul 15 each year, so you can see whether 2026 is running hot. Pick a threshold:
6 days ≥90°F so far in 2026 — tied for the 104th most in 144 years. Normal for this point: 12. Record: 36 in 1934.
A ready-to-share summary of Peoria's outlook — post it, or link this page.
See Peoria on coldestsince.com →