Wilmington, OH
Ohio · Records since 1917–2026
🌦️ 78°F
Feels like 85°
Currently in Wilmington
As of 8:00 PM EDT
Records for July 28
🔥 Record High
105°F
July 28, 1930
+21° from 84° normal❄ Record Low
50°F
July 28, 1937
-13° from 63° normal
🌞 Normal high: 84°F 🌑 Normal low: 63°F 1991–2020 normals
All-Time Records — Wilmington
111°F
Hottest Day Ever
Jul 21, 1934
-25°F
Coldest Day Ever
Jan 22, 1984
5.35"
Wettest Day Ever
Jul 21, 1954
14.0"
Most Snow in One Day
Nov 26, 1950
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 105°F | July 28, 1930 |
| 2 | 101°F | July 28, 1940 |
| 3 | 100°F | July 28, 1952 |
| 4 | 98°F | July 28, 1941 |
| 5 | 98°F | July 28, 1936 |
| 6 | 97°F | July 28, 1951 |
| 7 | 97°F | July 28, 1949 |
| 8 | 97°F | July 28, 1918 |
| 9 | 96°F | July 28, 1929 |
| 10 | 95°F | July 28, 2011 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 50°F | July 28, 1937 |
| 2 | 50°F | July 28, 1920 |
| 3 | 52°F | July 28, 1962 |
| 4 | 53°F | July 28, 2013 |
| 5 | 53°F | July 28, 1977 |
Heat Wave Summary — Wilmington
threshold: 92°F (90th percentile of historical Jun–Aug highs)4.6
Avg heat wave length
days (historical)
97°
Avg peak temp
during heat waves
11
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
100 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1917–20267
2026 so far
24
Avg/year 1970–2025
15
Avg/year (last 10 complete)
72
Most in a year (1936)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Wilmington
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jun 18, 1933 – Jul 2, 1933 | 15 | 102°F (Jun 22) | 97°F | 63°F |
| 2 | Jul 19, 1940 – Jul 31, 1940 | 13 | 102°F (Jul 30) | 96°F | 69°F |
| 3 | Jul 6, 1936 – Jul 17, 1936 | 12 | 109°F (Jul 14) | 102°F | 68°F |
| 4 | Jun 28, 1949 – Jul 9, 1949 | 12 | 100°F (Jul 5) | 96°F | 68°F |
| 5 | Aug 4, 1918 – Aug 14, 1918 | 11 | 103°F (Aug 5) | 98°F | 72°F |
| 6 | Jun 20, 1934 – Jun 30, 1934 | 11 | 103°F (Jun 29) | 97°F | 65°F |
| 7 | Jun 28, 2012 – Jul 8, 2012 | 11 | 101°F (Jul 7) | 96°F | 68°F |
| 8 | Jul 1, 1921 – Jul 11, 1921 | 11 | 100°F (Jul 6) | 95°F | 67°F |
| 9 | Aug 25, 1953 – Sep 4, 1953 | 11 | 100°F (Aug 30) | 97°F | 62°F |
| 10 | Jul 18, 1934 – Jul 27, 1934 | 10 | 111°F (Jul 21) | 104°F | 70°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
34
2026 so far
above-normal nights
42.9
Avg / summer
1970–2020
70
Most in a summer
2025
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
27.71"
2026 YTD
Normal: 26.43"
+1.28"
4.44"
July so far
July normal: 3.88"
+0.56"
9.20"
Summer so far
Summer normal: 11.68"
-2.48"
8
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")