Marathon, FL
Florida · Records since 1950–2026
🌙 84°F
Feels like 91°
Currently in Marathon
As of 9:00 PM EDT
Records for July 28
🔥 Record High
94°F
July 28, 2017
+3° from 91° normal❄ Record Low
71°F
July 28, 1954
-9° from 80° normal
🌞 Normal high: 91°F 🌑 Normal low: 80°F 1991–2020 normals
All-Time Records — Marathon
99°F
Hottest Day Ever
Jul 24, 2023
37°F
Coldest Day Ever
Dec 25, 1989
8.33"
Wettest Day Ever
Aug 24, 1995
0.0"
Most Snow in One Day
Jul 26, 2026
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 94°F | July 28, 2017 |
| 2 | 94°F | July 28, 2005 |
| 3 | 94°F | July 28, 1999 |
| 4 | 94°F | July 28, 1983 |
| 5 | 94°F | July 28, 1969 |
| 6 | 93°F | July 28, 2018 |
| 7 | 93°F | July 28, 2014 |
| 8 | 93°F | July 28, 2008 |
| 9 | 93°F | July 28, 2002 |
| 10 | 93°F | July 28, 1994 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 71°F | July 28, 1954 |
| 2 | 73°F | July 28, 2007 |
| 3 | 73°F | July 28, 1995 |
| 4 | 73°F | July 28, 1953 |
| 5 | 74°F | July 28, 2018 |
Heat Wave Summary — Marathon
threshold: 93°F (90th percentile of historical Jun–Aug highs)5.8
Avg heat wave length
days (historical)
95°
Avg peak temp
during heat waves
156
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
40 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1950–202621
2026 so far
79
Avg/year 1970–2025
109
Avg/year (last 10 complete)
159
Most in a year (2019)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Marathon
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jun 29, 2023 – Jul 25, 2023 | 27 | 99°F (Jul 13) | 96°F | 84°F |
| 2 | Aug 30, 2022 – Sep 17, 2022 | 19 | 96°F (Sep 2) | 94°F | 81°F |
| 3 | Jul 29, 2015 – Aug 14, 2015 | 17 | 95°F (Aug 8) | 94°F | 81°F |
| 4 | Jul 12, 2009 – Jul 27, 2009 | 16 | 96°F (Jul 24) | 94°F | 82°F |
| 5 | Jun 23, 2020 – Jul 8, 2020 | 16 | 95°F (Jul 5) | 94°F | 82°F |
| 6 | Jun 29, 2022 – Jul 14, 2022 | 16 | 95°F (Jul 12) | 94°F | 82°F |
| 7 | Jun 1, 2019 – Jun 15, 2019 | 15 | 98°F (Jun 8) | 96°F | 84°F |
| 8 | Aug 15, 2022 – Aug 28, 2022 | 14 | 96°F (Aug 19) | 95°F | 82°F |
| 9 | Jun 27, 2015 – Jul 10, 2015 | 14 | 94°F (Jun 30) | 93°F | 82°F |
| 10 | Jul 27, 2002 – Aug 7, 2002 | 12 | 97°F (Aug 2) | 95°F | 82°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
47
2026 so far
above-normal nights
41.9
Avg / summer
1970–2020
65
Most in a summer
2023
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
14.66"
2026 YTD
Normal: 17.51"
-2.85"
2.08"
July so far
July normal: 3.77"
-1.69"
3.81"
Summer so far
Summer normal: 13.32"
-9.51"
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")