Wilmington, DE
Delaware · Records since 1894–2026
☁️ 74°F
Feels like 79°
Currently in Wilmington
As of 2:00 AM EDT
Records for June 27
🔥 Record High
97°F
June 27, 1952
+12° from 85° normal❄ Record Low
52°F
June 27, 1979
-14° from 66° normal
🌞 Normal high: 85°F
🌑 Normal low: 66°F
1991–2020 normals
All-Time Records — Wilmington
107°F
Hottest Day Ever
Aug 7, 1918
-15°F
Coldest Day Ever
Feb 9, 1934
8.29"
Wettest Day Ever
Sep 16, 1999
22.0"
Most Snow in One Day
Jan 7, 1996
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
82 of 176 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1970–202610
2026 so far
22
Avg/year 1970–2025
29
Avg/year (last 10 complete)
44
Most in a year (2010)
Top 10 Record Highs — June 27
| # | Temp | Date |
|---|---|---|
| 🏆 | 97°F | June 27, 1952 |
| 2 | 96°F | June 27, 2010 |
| 3 | 95°F | June 27, 1964 |
| 4 | 95°F | June 27, 1963 |
| 5 | 95°F | June 27, 1950 |
| 6 | 94°F | June 27, 2007 |
| 7 | 93°F | June 27, 2008 |
| 8 | 93°F | June 27, 1989 |
| 9 | 93°F | June 27, 1983 |
| 10 | 93°F | June 27, 1966 |
Top 5 Record Lows — June 27
| # | Temp | Date |
|---|---|---|
| 🥶 | 52°F | June 27, 1979 |
| 2 | 52°F | June 27, 1924 |
| 3 | 53°F | June 27, 1985 |
| 4 | 53°F | June 27, 1965 |
| 5 | 53°F | June 27, 1927 |
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
15.85"
2026 YTD
Normal: 21.38"
-5.53"
2.90"
June so far
June normal: 4.67"
-1.77"
2.90"
Summer so far
Summer normal: 13.06"
-10.16"
2
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")
Even when annual totals stay similar, storms can become more intense and concentrated
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
10
2026 so far
above-normal nights
44.4
Avg / summer
1970–2020
67
Most in a summer
1973
Above-Normal Summer Nights Per Year
Average June–August Low Temperature by Decade
Decade averages of the actual overnight low