Brownsville, TX

Texas · Records since 1878–2026

☀️ 89°F
Currently in Brownsville
As of 7:00 PM CDT

Records for July 28

🔥 Record High

99°F

July 28, 1960

+3° from 96° normal

❄ Record Low

70°F

July 28, 1904

-8° from 78° normal
🌞 Normal high: 96°F 🌑 Normal low: 78°F 1991–2020 normals

All-Time Records — Brownsville

🔥
106°F
Hottest Day Ever
Aug 28, 2023
12°F
Coldest Day Ever
Feb 13, 1899
🌧
12.09"
Wettest Day Ever
Sep 20, 1967
1.5"
Most Snow in One Day
Dec 25, 2004

Top 10 Record Highs — July 28

# Temp Date
🏆 99°F July 28, 1960
2 99°F July 28, 1954
3 98°F July 28, 2022
4 98°F July 28, 2018
5 98°F July 28, 2001
6 98°F July 28, 1980
7 98°F July 28, 1900
8 97°F July 28, 2023
9 97°F July 28, 2012
10 97°F July 28, 2004

Top 5 Record Lows — July 28

# Temp Date
🥶 70°F July 28, 1904
2 71°F July 28, 1961
3 71°F July 28, 1956
4 72°F July 28, 1987
5 72°F July 28, 1985
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 1878–2026. Climate normals represent the 1991–2020 average.
3
days
🔥 Heat Wave in Progress
3 consecutive days at or above 97°F · since July 24
Heat wave in progress (3+ days ≥ 97°F)

Heat Wave Summary — Brownsville

threshold: 97°F (90th percentile of historical Jun–Aug highs)
6.1
Avg heat wave length
days (historical)
99°
Avg peak temp
during heat waves
120
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

1878–2026
94
2026 so far
117
Avg/year 1970–2025
166
Avg/year (last 10 complete)
194
Most in a year (2025)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Brownsville

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 8, 2023 – Aug 20, 2023 44 103°F (Aug 15) 100°F 80°F
2 Aug 7, 1900 – Sep 3, 1900 28 100°F (Aug 7) 98°F 75°F
3 Aug 23, 2023 – Sep 16, 2023 25 106°F (Aug 28) 100°F 79°F
4 Jul 15, 2022 – Aug 7, 2022 24 98°F (Jul 15) 98°F 79°F
5 Aug 10, 2019 – Sep 1, 2019 23 102°F (Aug 15) 99°F 80°F
6 Aug 8, 2001 – Aug 26, 2001 19 99°F (Aug 13) 98°F 78°F
7 Aug 13, 2018 – Aug 30, 2018 18 99°F (Aug 22) 98°F 79°F
8 Jun 14, 1900 – Jun 30, 1900 17 102°F (Jun 24) 99°F 76°F
9 Jun 1, 2024 – Jun 17, 2024 17 100°F (Jun 5) 98°F 81°F
10 Jul 8, 1978 – Jul 23, 1978 16 100°F (Jul 15) 98°F 77°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

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

41
2026 so far
above-normal nights
20.0
Avg / summer
1970–2020
69
Most in a summer
2019

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

8.89"
2026 YTD
Normal: 11.83"
-2.94"
0.30"
July so far
July normal: 1.98"
-1.68"
3.54"
Summer so far
Summer normal: 7.00"
-3.46"
3
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")