Rochester, MN
Minnesota · Records since 1886–2026
☀️ 86°F
Feels like 92°
Currently in Rochester
As of 7:00 PM CDT
Records for July 28
🔥 Record High
100°F
July 28, 1955
+20° from 80° normal❄ Record Low
46°F
July 28, 2013
-14° from 60° normal
🌞 Normal high: 80°F 🌑 Normal low: 60°F 1991–2020 normals
All-Time Records — Rochester
108°F
Hottest Day Ever
Jul 14, 1936
-42°F
Coldest Day Ever
Jan 7, 1887
7.47"
Wettest Day Ever
Jul 11, 1981
19.8"
Most Snow in One Day
Mar 18, 2005
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 100°F | July 28, 1955 |
| 2 | 98°F | July 28, 1916 |
| 3 | 96°F | July 28, 1914 |
| 4 | 95°F | July 28, 1939 |
| 5 | 94°F | July 28, 1931 |
| 6 | 93°F | July 28, 1988 |
| 7 | 93°F | July 28, 1941 |
| 8 | 92°F | July 28, 1975 |
| 9 | 92°F | July 28, 1949 |
| 10 | 92°F | July 28, 1910 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 46°F | July 28, 2013 |
| 2 | 47°F | July 28, 1934 |
| 3 | 48°F | July 28, 1984 |
| 4 | 48°F | July 28, 1967 |
| 5 | 49°F | July 28, 1968 |
Heat Wave Summary — Rochester
threshold: 90°F (90th percentile of historical Jun–Aug highs)4.7
Avg heat wave length
days (historical)
96°
Avg peak temp
during heat waves
5
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
123 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1886–20265
2026 so far
11
Avg/year 1970–2025
6
Avg/year (last 10 complete)
38
Most in a year (1934)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Rochester
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 5, 1936 – Jul 18, 1936 | 14 | 108°F (Jul 14) | 102°F | 68°F |
| 2 | Jul 21, 1941 – Aug 1, 1941 | 12 | 99°F (Jul 24) | 94°F | 68°F |
| 3 | Jul 12, 1932 – Jul 21, 1932 | 10 | 99°F (Jul 20) | 94°F | 67°F |
| 4 | Jul 22, 1916 – Jul 31, 1916 | 10 | 98°F (Jul 28) | 95°F | 67°F |
| 5 | Jun 18, 1943 – Jun 27, 1943 | 10 | 98°F (Jun 26) | 92°F | 70°F |
| 6 | Jun 17, 1910 – Jun 26, 1910 | 10 | 97°F (Jun 24) | 94°F | 62°F |
| 7 | Jun 22, 1934 – Jun 30, 1934 | 9 | 105°F (Jun 27) | 96°F | 60°F |
| 8 | Aug 25, 1953 – Sep 2, 1953 | 9 | 93°F (Aug 31) | 91°F | 66°F |
| 9 | Jul 27, 1988 – Aug 3, 1988 | 8 | 102°F (Jul 31) | 96°F | 66°F |
| 10 | Jul 28, 1955 – Aug 4, 1955 | 8 | 100°F (Jul 28) | 97°F | 72°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
35
2026 so far
above-normal nights
42.6
Avg / summer
1970–2020
60
Most in a summer
1949
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
19.20"
2026 YTD
Normal: 20.78"
-1.58"
6.49"
July so far
July normal: 4.19"
+2.30"
10.49"
Summer so far
Summer normal: 13.66"
-3.17"
7
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")