Detroit, MI
Michigan · Records since 1874–2026
🌤️ 82°F
Currently in Detroit
As of 6:45 PM
Records for July 27
🔥 Record High
100°F
July 27, 1955
+16° from 84° normal❄ Record Low
48°F
July 27, 1971
-16° from 64° normal
🌞 Normal high: 84°F 🌑 Normal low: 64°F 1991–2020 normals
All-Time Records — Detroit
105°F
Hottest Day Ever
Jul 24, 1934
-21°F
Coldest Day Ever
Jan 21, 1984
4.74"
Wettest Day Ever
Jul 31, 1925
24.1"
Most Snow in One Day
Apr 6, 1886
Top 10 Record Highs — July 27
| # | Temp | Date |
|---|---|---|
| 🏆 | 100°F | July 27, 1955 |
| 2 | 100°F | July 27, 1941 |
| 3 | 95°F | July 27, 1964 |
| 4 | 94°F | July 27, 1956 |
| 5 | 94°F | July 27, 1919 |
| 6 | 93°F | July 27, 1949 |
| 7 | 93°F | July 27, 1930 |
| 8 | 93°F | July 27, 1894 |
| 9 | 92°F | July 27, 2016 |
| 10 | 92°F | July 27, 1974 |
Top 5 Record Lows — July 27
| # | Temp | Date |
|---|---|---|
| 🥶 | 48°F | July 27, 1971 |
| 2 | 52°F | July 27, 1907 |
| 3 | 53°F | July 27, 1962 |
| 4 | 53°F | July 27, 1937 |
| 5 | 54°F | July 27, 1977 |
Heat Wave Summary — Detroit
threshold: 90°F (90th percentile of historical Jun–Aug highs)4.0
Avg heat wave length
days (historical)
95°
Avg peak temp
during heat waves
15
Dangerous nights 2026
Overnights ≥ 70°F
2
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
103 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1874–20269
2026 so far
12
Avg/year 1970–2025
14
Avg/year (last 10 complete)
39
Most in a year (1988)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Detroit
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 25, 1953 – Sep 4, 1953 | 11 | 100°F (Sep 2) | 96°F | 69°F |
| 2 | Jul 14, 1977 – Jul 21, 1977 | 8 | 102°F (Jul 15) | 95°F | 69°F |
| 3 | Jul 24, 1941 – Jul 31, 1941 | 8 | 100°F (Jul 27) | 95°F | 73°F |
| 4 | Jul 19, 1940 – Jul 26, 1940 | 8 | 99°F (Jul 25) | 96°F | 73°F |
| 5 | Aug 9, 1944 – Aug 16, 1944 | 8 | 99°F (Aug 11) | 96°F | 70°F |
| 6 | Jul 2, 2020 – Jul 9, 2020 | 8 | 95°F (Jul 7) | 92°F | 70°F |
| 7 | Jul 18, 1987 – Jul 25, 1987 | 8 | 93°F (Jul 20) | 92°F | 70°F |
| 8 | Jul 8, 1936 – Jul 14, 1936 | 7 | 104°F (Jul 8) | 102°F | 74°F |
| 9 | Jul 17, 2011 – Jul 23, 2011 | 7 | 100°F (Jul 21) | 95°F | 74°F |
| 10 | Jun 15, 1994 – Jun 21, 1994 | 7 | 99°F (Jun 17) | 94°F | 73°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
28
2026 so far
above-normal nights
38.2
Avg / summer
1970–2020
64
Most in a summer
2016
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
16.74"
2026 YTD
Normal: 19.89"
-3.15"
2.29"
July so far
July normal: 3.51"
-1.22"
6.05"
Summer so far
Summer normal: 10.03"
-3.98"
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")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")