Bristol-Johnson City, TN

Tennessee · Records since 1937–2026

☀️ 80°F Feels like 86°
Currently in Bristol-Johnson City
As of 8:00 PM EDT

Records for July 28

🔥 Record High

102°F

July 28, 1952

+16° from 86° normal

❄ Record Low

53°F

July 28, 1962

-12° from 65° normal
🌞 Normal high: 86°F 🌑 Normal low: 65°F 1991–2020 normals

All-Time Records — Bristol-Johnson City

🔥
103°F
Hottest Day Ever
Jun 30, 2012
-21°F
Coldest Day Ever
Jan 21, 1985
🌧
3.65"
Wettest Day Ever
Oct 16, 1964
16.2"
Most Snow in One Day
Nov 21, 1952

Top 10 Record Highs — July 28

# Temp Date
🏆 102°F July 28, 1952
2 96°F July 28, 1940
3 95°F July 28, 2023
4 94°F July 28, 2011
5 93°F July 28, 2021
6 93°F July 28, 2015
7 93°F July 28, 1997
8 93°F July 28, 1949
9 92°F July 28, 1993
10 92°F July 28, 1970

Top 5 Record Lows — July 28

# Temp Date
🥶 53°F July 28, 1962
2 57°F July 28, 1946
3 59°F July 28, 1983
4 60°F July 28, 2019
5 60°F July 28, 2008
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1937–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Bristol-Johnson City

threshold: 91°F (90th percentile of historical Jun–Aug highs)
4.7
Avg heat wave length
days (historical)
95°
Avg peak temp
during heat waves
3
Dangerous nights 2026
Overnights ≥ 70°F
3
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

133 of 207 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1938–2026
22
2026 so far
21
Avg/year 1970–2025
32
Avg/year (last 10 complete)
62
Most in a year (2016)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Bristol-Johnson City

# Dates Days Peak Avg High Avg Overnight Low
🏆 Aug 6, 2007 – Aug 25, 2007 20 99°F (Aug 23) 94°F 65°F
2 Jul 2, 1993 – Jul 14, 1993 13 97°F (Jul 5) 94°F 69°F
3 Jul 19, 1952 – Jul 30, 1952 12 102°F (Jul 28) 96°F 68°F
4 Jun 28, 2012 – Jul 8, 2012 11 103°F (Jun 30) 97°F 65°F
5 Aug 9, 1988 – Aug 19, 1988 11 101°F (Aug 18) 95°F 67°F
6 Jul 29, 1953 – Aug 8, 1953 11 95°F (Aug 1) 93°F 69°F
7 Aug 8, 2016 – Aug 17, 2016 10 96°F (Aug 12) 93°F 69°F
8 Aug 26, 1953 – Sep 3, 1953 9 98°F (Aug 31) 94°F 62°F
9 Jul 20, 2016 – Jul 28, 2016 9 98°F (Jul 23) 95°F 67°F
10 Jul 19, 1987 – Jul 27, 1987 9 97°F (Jul 23) 94°F 65°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

37
2026 so far
above-normal nights
48.8
Avg / summer
1970–2020
67
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

23.64"
2026 YTD
Normal: 27.12"
-3.48"
4.36"
July so far
July normal: 5.00"
-0.64"
9.72"
Summer so far
Summer normal: 12.68"
-2.96"
5
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")