Chattanooga, TN
Tennessee · Records since 1879–2026
☀️ 90°F
Feels like 97°
Currently in Chattanooga
As of 8:00 PM EDT
Records for July 28
🔥 Record High
106°F
July 28, 1952
+15° from 91° normal❄ Record Low
56°F
July 28, 1911
-15° from 71° normal
🌞 Normal high: 91°F 🌑 Normal low: 71°F 1991–2020 normals
All-Time Records — Chattanooga
107°F
Hottest Day Ever
Jul 1, 2012
-10°F
Coldest Day Ever
Jan 21, 1985
9.49"
Wettest Day Ever
Sep 5, 2011
18.5"
Most Snow in One Day
Mar 13, 1993
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 106°F | July 28, 1952 |
| 2 | 103°F | July 28, 1930 |
| 3 | 102°F | July 28, 1993 |
| 4 | 97°F | July 28, 2023 |
| 5 | 97°F | July 28, 1997 |
| 6 | 97°F | July 28, 1987 |
| 7 | 97°F | July 28, 1986 |
| 8 | 97°F | July 28, 1966 |
| 9 | 97°F | July 28, 1956 |
| 10 | 96°F | July 28, 2025 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 56°F | July 28, 1911 |
| 2 | 57°F | July 28, 1962 |
| 3 | 62°F | July 28, 1946 |
| 4 | 64°F | July 28, 2004 |
| 5 | 64°F | July 28, 1994 |
Heat Wave Summary — Chattanooga
threshold: 95°F (90th percentile of historical Jun–Aug highs)4.7
Avg heat wave length
days (historical)
99°
Avg peak temp
during heat waves
45
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
1879–202630
2026 so far
47
Avg/year 1970–2025
67
Avg/year (last 10 complete)
102
Most in a year (2016)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Chattanooga
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 4, 2007 – Aug 25, 2007 | 22 | 105°F (Aug 23) | 99°F | 74°F |
| 2 | Aug 15, 1993 – Sep 1, 1993 | 18 | 100°F (Aug 29) | 98°F | 72°F |
| 3 | Jul 20, 1987 – Aug 5, 1987 | 17 | 100°F (Jul 24) | 98°F | 71°F |
| 4 | Jul 4, 1980 – Jul 19, 1980 | 16 | 105°F (Jul 13) | 99°F | 74°F |
| 5 | Jul 18, 1952 – Jul 30, 1952 | 13 | 106°F (Jul 28) | 102°F | 70°F |
| 6 | Jul 17, 1993 – Jul 29, 1993 | 13 | 104°F (Jul 29) | 100°F | 74°F |
| 7 | Jun 18, 1931 – Jun 30, 1931 | 13 | 101°F (Jun 28) | 97°F | 72°F |
| 8 | May 31, 2011 – Jun 12, 2011 | 13 | 98°F (Jun 5) | 96°F | 70°F |
| 9 | Jun 28, 2012 – Jul 8, 2012 | 11 | 107°F (Jun 30) | 101°F | 72°F |
| 10 | Jul 30, 1935 – Aug 9, 1935 | 11 | 104°F (Aug 7) | 99°F | 76°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
39
2026 so far
above-normal nights
35.7
Avg / summer
1970–2020
77
Most in a summer
2010
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
26.80"
2026 YTD
Normal: 32.86"
-6.06"
5.17"
July so far
July normal: 5.08"
+0.09"
7.57"
Summer so far
Summer normal: 12.93"
-5.36"
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")