Quincy, IL
Illinois · Records since 1901–2026
☀️ 94°F
Feels like 100°
Currently in Quincy
As of 7:00 PM CDT
Records for July 28
🔥 Record High
104°F
July 28, 1914
+18° from 86° normal❄ Record Low
49°F
July 28, 2013
-17° from 66° normal
🌞 Normal high: 86°F 🌑 Normal low: 66°F 1991–2020 normals
All-Time Records — Quincy
114°F
Hottest Day Ever
Jul 15, 1936
-29°F
Coldest Day Ever
Feb 13, 1905
5.84"
Wettest Day Ever
Jun 14, 1950
12.7"
Most Snow in One Day
Dec 25, 1915
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 104°F | July 28, 1914 |
| 2 | 103°F | July 28, 2023 |
| 3 | 103°F | July 28, 1930 |
| 4 | 103°F | July 28, 1916 |
| 5 | 102°F | July 28, 1940 |
| 6 | 102°F | July 28, 1919 |
| 7 | 101°F | July 28, 1983 |
| 8 | 101°F | July 28, 1953 |
| 9 | 101°F | July 28, 1941 |
| 10 | 101°F | July 28, 1936 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 49°F | July 28, 2013 |
| 2 | 55°F | July 28, 1994 |
| 3 | 55°F | July 28, 1971 |
| 4 | 56°F | July 28, 1925 |
| 5 | 57°F | July 28, 2018 |
Heat Wave Summary — Quincy
threshold: 95°F (90th percentile of historical Jun–Aug highs)5.3
Avg heat wave length
days (historical)
101°
Avg peak temp
during heat waves
18
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
125 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1901–202612
2026 so far
35
Avg/year 1970–2025
28
Avg/year (last 10 complete)
90
Most in a year (1936)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Quincy
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 9, 1901 – Jul 28, 1901 | 20 | 111°F (Jul 22) | 102°F | 73°F |
| 2 | Aug 9, 1936 – Aug 28, 1936 | 20 | 109°F (Aug 24) | 104°F | 78°F |
| 3 | Jul 3, 1936 – Jul 20, 1936 | 18 | 114°F (Jul 15) | 104°F | 78°F |
| 4 | Jul 7, 1980 – Jul 20, 1980 | 14 | 105°F (Jul 14) | 100°F | 78°F |
| 5 | Jun 23, 1934 – Jul 6, 1934 | 14 | 104°F (Jun 28) | 100°F | 76°F |
| 6 | Jul 23, 1940 – Aug 5, 1940 | 14 | 104°F (Jul 25) | 100°F | 74°F |
| 7 | Aug 1, 1934 – Aug 12, 1934 | 12 | 111°F (Aug 9) | 103°F | 76°F |
| 8 | May 30, 1934 – Jun 9, 1934 | 11 | 103°F (May 30) | 99°F | 72°F |
| 9 | Jul 12, 1932 – Jul 22, 1932 | 11 | 100°F (Jul 19) | 96°F | 75°F |
| 10 | Aug 1, 1930 – Aug 10, 1930 | 10 | 106°F (Aug 9) | 101°F | 75°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
31
2026 so far
above-normal nights
44.7
Avg / summer
1970–2020
77
Most in a summer
1921
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
27.91"
2026 YTD
Normal: 21.62"
+6.29"
1.93"
July so far
July normal: 3.49"
-1.56"
12.82"
Summer so far
Summer normal: 11.92"
+0.90"
10
2026 heavy rain days
Days with ≥ 1.0"
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")