Currently: 80 °F. Clear. (Weather station: Key West International Airport, USA). See more current weatherPast Weather in City of Marathon — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
68
70
72
74
76
78
80
82
84
86
88
Thu, Oct 23
Lo:84
12 pm
Hi:84
11
Lo:81
6 pm
Hi:82
11
Fri, Oct 24
Lo:77
12 am
Hi:81
11
Lo:79
6 am
Hi:82
12
Lo:82
12 pm
Hi:84
14
Lo:81
6 pm
Hi:82
13
Sat, Oct 25
Lo:77
12 am
Hi:79
12
Lo:79
6 am
Hi:84
12
Lo:82
12 pm
Hi:86
16
Lo:79
6 pm
Hi:82
13
Sun, Oct 26
Lo:79
12 am
Hi:81
11
Lo:79
6 am
Hi:84
11
Lo:84
12 pm
Hi:86
15
Lo:77
6 pm
Hi:82
9
Mon, Oct 27
Lo:77
12 am
Hi:82
9
Lo:81
6 am
Hi:84
12
Lo:84
12 pm
Hi:86
11
Lo:81
6 pm
Hi:82
4
Tue, Oct 28
Lo:79
12 am
Hi:81
4
Lo:79
6 am
Hi:86
4
Lo:82
12 pm
Hi:88
10
Lo:81
6 pm
Hi:81
9
Wed, Oct 29
Lo:79
12 am
Hi:81
9
Lo:79
6 am
Hi:81
9
Lo:81
12 pm
Hi:82
11
6 pm
N/A
0
Thu, Oct 30
Lo:75
12 am
Hi:79
14
Lo:75
6 am
Hi:79
16
Lo:79
12 pm
Hi:81
17
Lo:75
6 pm
Hi:77
12
Fri, Oct 31
Lo:73
12 am
Hi:75
9
Lo:70
6 am
Hi:73
8
Lo:73
12 pm
Hi:77
9
Lo:72
6 pm
Hi:73
6
Sat, Nov 1
Lo:72
12 am
Hi:73
6
Lo:72
6 am
Hi:75
8
Lo:75
12 pm
Hi:77
10
Lo:73
6 pm
Hi:75
8
Sun, Nov 2
Lo:73
12 am
Hi:73
7
Lo:73
6 am
Hi:81
9
Lo:79
12 pm
Hi:82
10
Lo:75
6 pm
Hi:75
4
Mon, Nov 3
Lo:72
12 am
Hi:73
0
Lo:73
6 am
Hi:81
7
Lo:79
12 pm
Hi:82
9
Lo:77
6 pm
Hi:79
8
Tue, Nov 4
Lo:75
12 am
Hi:75
11
Lo:73
6 am
Hi:77
11
Lo:75
12 pm
Hi:77
11
Lo:75
6 pm
Hi:75
9
Wed, Nov 5
Lo:73
12 am
Hi:75
7
Lo:73
6 am
Hi:81
8
Lo:79
12 pm
Hi:81
9
Lo:75
6 pm
Hi:77
8
Thu, Nov 6
Lo:75
12 am
Hi:75
7
Lo:75
6 am
Hi:82
9
Lo:79
12 pm
Hi:81
9
Lo:77
6 pm
Hi:79
7
Fri, Nov 7
Lo:77
12 am
Hi:79
7
Lo:79
6 am
Hi:82
7
Lo:81
12 pm
Hi:82
8
Thursday, October 23, 2025, 12:00 pm — 6:00 pm
84 / 84 °F
Sunny.
Humidity: 63%
Barometer: 29.98 "Hg
ENE
Wind: 10.564 mph
City of Marathon Temperature Yesterday
Maximum temperature yesterday: 82 °F (at 11:53 am)
Minimum temperature yesterday: 75 °F (at 1:53 am)
Average temperature yesterday: 78 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 87 °F (Oct 28, 1:53 pm) | 100% (Oct 26, 11:53 pm) | 30.22 "Hg (Oct 26, 11:53 pm) |
| Low | 69 °F (Oct 31, 7:53 am) | 54% (Oct 30, 2:53 pm) | 29.75 "Hg (Oct 28, 5:12 am) |
| Average | 79 °F | 82% | 29.97 "Hg |
| * Reported Oct 23 5:53 pm — Nov 7 4:53 pm, City of Marathon. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
City of Marathon Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 4:53 pm Fri, Nov 7 |  | 81 °F | Sunny. | 5 mph | ↑ | 77% | 29.90 "Hg | 10 mi |
| 3:53 pm | | 82 °F | Sunny. | 7 mph | ↑ | 74% | 29.90 "Hg | 10 mi |
| 2:53 pm | | 82 °F | Sunny. | 9 mph | ↑ | 77% | 29.91 "Hg | 10 mi |
| 1:53 pm | | 82 °F | Sunny. | 10 mph | ↑ | 77% | 29.91 "Hg | 10 mi |
| 12:53 pm | | 83 °F | Sunny. | 9 mph | ↑ | 74% | 29.94 "Hg | 10 mi |
| 11:53 am | | 83 °F | Sunny. | 7 mph | ↑ | 74% | 29.98 "Hg | 10 mi |
| 10:53 am |  | 83 °F | Passing clouds. | 8 mph | ↑ | 74% | 30.00 "Hg | 10 mi |
| 9:53 am | | 82 °F | Passing clouds. | 7 mph | ↑ | 79% | 30.01 "Hg | 10 mi |
| 8:53 am | | 82 °F | Passing clouds. | 5 mph | ↑ | 82% | 30.00 "Hg | 10 mi |
| 7:53 am |  | 80 °F | Broken clouds. | 3 mph | ↑ | 85% | 29.99 "Hg | 10 mi |
| 6:53 am | | 79 °F | Broken clouds. | 8 mph | ↑ | 84% | 29.97 "Hg | 10 mi |
| 6:04 am |  | 79 °F | Passing clouds. | 9 mph | ↑ | 84% | 29.95 "Hg | 10 mi |
| 5:42 am | | 79 °F | Passing clouds. | 8 mph | ↑ | 88% | 29.95 "Hg | 10 mi |
| 4:53 am | | 79 °F | Passing clouds. | 6 mph | ↑ | 88% | 29.96 "Hg | 10 mi |
| 3:53 am |  | 79 °F | Partly cloudy. | 8 mph | ↑ | 84% | 29.95 "Hg | 10 mi |
| 2:53 am | | 79 °F | Passing clouds. | 8 mph | ↑ | 84% | 29.96 "Hg | 10 mi |
| 1:53 am | | 77 °F | Partly cloudy. | 3 mph | ↑ | 90% | 29.98 "Hg | 10 mi |
| 12:53 am | | 77 °F | Passing clouds. | 5 mph | ↑ | 88% | 29.99 "Hg | 10 mi |
| 11:53 pm Thu, Nov 6 | | 77 °F | Clear. | 7 mph | ↑ | 88% | 30.00 "Hg | 10 mi |
| 10:53 pm | | 78 °F | Clear. | 8 mph | ↑ | 84% | 30.02 "Hg | 10 mi |
| 9:53 pm | | 78 °F | Clear. | 7 mph | ↑ | 84% | 30.03 "Hg | 10 mi |
| 8:53 pm | | 77 °F | Clear. | 6 mph | ↑ | 90% | 30.03 "Hg | 10 mi |
| 7:53 pm | | 78 °F | Passing clouds. | 8 mph | ↑ | 87% | 30.03 "Hg | 10 mi |
| 6:53 pm | | 78 °F | Passing clouds. | 7 mph | ↑ | 90% | 30.02 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||