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Weather Marathon
Florida · United States
Thu, 12/18
11:29 AM EST
Weather Marathon
now
81°
90 Min. Weather
sunny
12:00 PM
81
°
5 %
01:00 PM
81
°
5 %
02:00 PM
81
°
10 %
03:00 PM
81
°
10 %
04:00 PM
80
°
20 %
05:00 PM
79
°
20 %
06:00 PM
78
°
20 %
07:00 PM
78
°
20 %
08:00 PM
77
°
20 %
09:00 PM
77
°
20 %
10:00 PM
77
°
20 %
11:00 PM
77
°
20 %
12:00 AM
76
°
20 %
01:00 AM
76
°
20 %
02:00 AM
76
°
30 %
03:00 AM
76
°
40 %
04:00 AM
76
°
50 %
05:00 AM
76
°
50 %
06:00 AM
76
°
40 %
07:00 AM
76
°
30 %
08:00 AM
77
°
30 %
09:00 AM
79
°
30 %
10:00 AM
80
°
20 %
11:00 AM
80
°
30 %
12:00 PM
80
°
40 %
01:00 PM
80
°
50 %
02:00 PM
80
°
40 %
03:00 PM
80
°
30 %
04:00 PM
79
°
20 %
05:00 PM
78
°
10 %
06:00 PM
76
°
10 %
07:00 PM
75
°
10 %
08:00 PM
75
°
10 %
09:00 PM
75
°
10 %
10:00 PM
74
°
10 %
11:00 PM
74
°
10 %
12:00 AM
74
°
10 %
01:00 AM
73
°
10 %
02:00 AM
73
°
10 %
03:00 AM
73
°
10 %
04:00 AM
73
°
10 %
05:00 AM
72
°
10 %
06:00 AM
72
°
10 %
07:00 AM
72
°
5 %
08:00 AM
72
°
10 %
09:00 AM
73
°
10 %
10:00 AM
74
°
10 %
11:00 AM
76
°
10 %
12:00 PM
78
°
10 %
WeatherRadar
Forecast
Map
Afternoon
81
°
20 %
Evening
77
°
20 %
Night
76
°
50 %
Morning
79
°
40 %
Afternoon
80
°
50 %
Evening
75
°
10 %
Night
72
°
10 %
Morning
73
°
10 %
Afternoon
80
°
10 %
Evening
76
°
5 %
Night
73
°
5 %
Morning
76
°
10 %
Afternoon
80
°
10 %
Evening
75
°
5 %
Night
74
°
10 %
Morning
75
°
10 %
Afternoon
78
°
10 %
Evening
75
°
50 %
Night
74
°
30 %
Morning
75
°
20 %
Afternoon
77
°
10 %
Evening
74
°
30 %
Night
73
°
30 %
Morning
75
°
20 %
Afternoon
79
°
20 %
Evening
72
°
30 %
Night
71
°
20 %
Morning
73
°
20 %
Afternoon
78
°
20 %
Evening
72
°
20 %
Night
71
°
20 %
Morning
73
°
20 %
Afternoon
79
°
20 %
Evening
71
°
20 %
Night
69
°
20 %
Morning
72
°
20 %
Afternoon
77
°
20 %
Evening
70
°
20 %
Night
68
°
30 %
Morning
71
°
30 %
Afternoon
77
°
20 %
Evening
70
°
20 %
Night
67
°
30 %
Morning
70
°
30 %
Afternoon
75
°
20 %
Evening
69
°
20 %
Night
67
°
30 %
Morning
70
°
30 %
Afternoon
75
°
20 %
Evening
70
°
30 %
Night
68
°
30 %
Morning
72
°
30 %
Afternoon
77
°
30 %
Evening
70
°
50 %
Night
68
°
50 %
today
Thursday, 12/18
12/18
81
°
72
°
8 h
30 %
tomorrow
Friday, 12/19
12/19
80
°
76
°
4 h
50 %
Saturday
Saturday, 12/20
12/20
80
°
72
°
7 h
10 %
Sunday
Sunday, 12/21
12/21
80
°
73
°
7 h
10 %
Monday
Monday, 12/22
12/22
78
°
74
°
7 h
20 %
Tuesday
Tuesday, 12/23
12/23
77
°
74
°
5 h
30 %
Wednesday
Wednesday, 12/24
12/24
79
°
73
°
4 h
20 %
Thursday
Thursday, 12/25
12/25
78
°
71
°
5 h
20 %
Friday
Friday, 12/26
12/26
79
°
71
°
6 h
20 %
Saturday
Saturday, 12/27
12/27
77
°
69
°
6 h
20 %
Sunday
Sunday, 12/28
12/28
77
°
68
°
7 h
30 %
Monday
Monday, 12/29
12/29
75
°
67
°
8 h
30 %
Tuesday
Tuesday, 12/30
12/30
75
°
67
°
7 h
30 %
Wednesday
Wednesday, 12/31
12/31
77
°
68
°
7 h
50 %
Top News
Daily briefing
Two big storms
WindRadar
14 day weather
Th
72
81
Fr
76
80
Sa
72
80
Su
73
80
Mo
74
78
Tu
74
77
We
73
79
Th
71
78
Fr
71
79
Sa
69
77
Su
68
77
Mo
67
75
Tu
67
75
We
68
77
Max (°F)
Min (°F)
more
less
TemperatureRadar
UV Index
today
5
moderate
6-Day UVI Forecast
Marine Weather
today
tomorrow
Water 74° / Air 81°
Waves 3 ft /
moderate wind from SE
Knight Key Channel
High tide 09:31 AM / 08:18 PM
Low tide 02:37 AM / 01:18 PM
Water 74° / Air 80°
Waves 2 ft /
moderate wind from NW
Knight Key Channel
High tide 10:05 AM / 08:57 PM
Low tide 03:14 AM / 01:54 PM
Current regional conditions
Marathon Airport (6ft)
Thu, 12/18, 10:53 AM
80.6°
fair
Wind SE 11 mph
Key West NAS (6ft)
Thu, 12/18, 10:53 AM
80.6°
mostly clear
Wind SE 13 mph
Key West Intl Airport (16ft)
Thu, 12/18, 10:53 AM
77°
mostly clear
Wind SE 13 mph
Past weather
Weather Station Marathon Airport
Maximum Temperature [°F] 11/21/2025 to 12/18/2025
RainRadar
Air quality
right now
Moderate
6-Day Air Quality Forecast
Astro info
today
11:29 AM local time
Sun
07:02 AM
05:39 PM
10h 37min
Moon
05:54 AM
04:24 PM
Waning crescent
News
Coast-to-coast impacts
Cross country storm
More news
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